Étalons pharmaceutiques
Les standards pharmaceutiques sont un ensemble complet de matériaux de référence essentiels pour garantir la sécurité, l'efficacité et la qualité des produits pharmaceutiques. Cette catégorie comprend des standards pour les ingrédients pharmaceutiques actifs (APIs), qui sont les composants principaux responsables des effets thérapeutiques. De plus, elle couvre les composés et métabolites pertinents pour les industries pharmaceutique et vétérinaire, fournissant des points de référence pour la mesure et l'analyse précises de ces substances. Les standards de contrôle des nitrosamines sont cruciaux pour détecter et atténuer les nitrosamines potentiellement nocives dans les formulations médicamenteuses. Les standards de toxicologie aident à évaluer la sécurité et les effets indésirables potentiels des composés pharmaceutiques. En outre, les standards pour les activateurs et les inhibiteurs enzymatiques sont essentiels pour la recherche et le développement, permettant des études précises des voies biochimiques et des mécanismes des médicaments. Ces standards pharmaceutiques sont des outils indispensables pour la conformité réglementaire, le contrôle de qualité et la recherche, garantissant que les produits pharmaceutiques répondent à des critères stricts de sécurité et d'efficacité.
Sous-catégories appartenant à la catégorie "Étalons pharmaceutiques"
- APIs pour la recherche et les impuretés(274.845 produits)
- Activateurs et inhibiteurs d'enzymes(2.827 produits)
- Nitrosamines(2.605 produits)
- Composés et métabolites pharmaceutiques et vétérinaires(2.869 produits)
- Toxicologie(13.652 produits)
7836 produits trouvés pour "Étalons pharmaceutiques"
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L-Methionine-methyl-13C,methyl-D3
CAS :Produit contrôlé<p>Please enquire for more information about L-Methionine-methyl-13C,methyl-D3 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C5H8D3NO2SDegré de pureté :Min. 95%Masse moléculaire :152.23 g/molb-Zeacarotene
CAS :<p>b-Zeacarotene is a carotenoid molecule that is found in plants and animals. It has been shown to have an inhibitory effect on protein synthesis. b-Zeacarotene is a reactive compound that can react with other compounds to form new compounds, such as reaction products of the polyene type. In bacteria, transcriptional regulation of genes involved in carotenoid biosynthesis has been shown to be inhibited by b-zeacarotene.</p>Formule :C40H58Degré de pureté :Min. 95%Masse moléculaire :538.89 g/mol5,6-Epoxy-13-cis retinoic acid
CAS :<p>5,6-Epoxy-13-cis retinoic acid (5,6-ER) is the most active metabolite of all-trans-retinoic acid. 5,6-ER binds to the nuclear receptor and acts as a transcription factor. It has been shown to inhibit the growth of several cancer cell lines in vitro, including T47D cells. 5,6-ER also has antacid properties and can be used for the treatment of inflammatory bowel disease. 5,6-ER is found in low concentrations in plasma and tissues and accumulates in high concentrations in rat liver microsomes. The major metabolic pathway includes hydrolysis by trifluoroacetic acid which produces 5,6 epoxyretinoyl coenzyme A (5,6 epoxyretinoyl CoA). This compound is then converted to 5,6 epoxyretinol by an unknown mechanism.</p>Formule :C20H28O3Degré de pureté :Min. 95%Masse moléculaire :316.43 g/mol2-Chloro-N-1-naphthylacetamide
CAS :<p>2-Chloro-N-1-naphthylacetamide is a synthetic organic compound that belongs to the class of sulfur compounds. It is used in the synthesis of other compounds and has been shown to be a potent inhibitor of hydroxylapatite and sulfate hydrolysis. The reaction mechanism for this compound’s inhibition of sulfate hydrolysis is not known, but it may be due to its ability to act as an electron donor or acceptor. 2-Chloro-N-1-naphthylacetamide also has carcinogenic properties, with some studies suggesting that it can cause liver cancer in rodents.</p>Formule :C12H10ClNODegré de pureté :Min. 95%Masse moléculaire :219.67 g/molFmoc-S-trityl-D-penicillamine
CAS :<p>Please enquire for more information about Fmoc-S-trityl-D-penicillamine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C39H35NO4SDegré de pureté :Min. 95%Masse moléculaire :613.77 g/molS-[2-(Dimethylamino)ethyl]isothiourea Dihydrochloride
CAS :Produit contrôlé<p>S-[2-(Dimethylamino)ethyl]isothiourea Dihydrochloride is an inhibitor of tyrosinase, an enzyme that catalyzes the oxidation of tyrosine to dopa and dopaquinone. It binds to the active site of the enzyme and blocks its activity. S-[2-(Dimethylamino)ethyl]isothiourea Dihydrochloride has been shown to inhibit tyrosinase in animal experiments and in vitro studies, with a concentration-response curve that can be described by a Michaelis-Menten kinetic model. The inhibition of tyrosinase activity may be due to steric hindrance by the thiourea group or a covalent binding to amino acid residues on the protein surface. S-[2-(Dimethylamino)ethyl]isothiourea Dihydrochloride is also known as monomethyl auristatin E (MMAE</p>Formule :C5H13N3S·2HClDegré de pureté :Min. 95%Masse moléculaire :220.16 g/molN-α-Z-L-lysine 4-nitrophenyl ester hydrochloride
CAS :<p>N-alpha-Z-L-lysine 4-nitrophenyl ester hydrochloride is a protease that belongs to the family of serine proteases. It is produced by the biotechnological process of enzymatic extraction from the natural polysaccharide carrageenan. This product has been used in the production of high yield and purified enzymes for industrial applications. The enzyme has been shown to have cysteine and hydrolytic activity, as well as being able to break peptidic bonds in peptides. N-alpha-Z-L-lysine 4-nitrophenyl ester hydrochloride also has a high specificity for proteolytic cleavage of proteins at their carboxy terminal end.</p>Formule :C20H23N3O6•HClDegré de pureté :Min. 95%Masse moléculaire :437.87 g/mol(R)-(-)-2-Methylglutaric Acid
CAS :<p>Please enquire for more information about (R)-(-)-2-Methylglutaric Acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C6H10O4Degré de pureté :Min. 95%Masse moléculaire :146.14 g/molD,L-Alanosine sodium salt
<p>Please enquire for more information about D,L-Alanosine sodium salt including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C3H6N3NaO4Degré de pureté :Min. 95%Masse moléculaire :171.09 g/mol4-(4-Nitrophenoxy)butanoic acid
CAS :Produit contrôlé<p>Please enquire for more information about 4-(4-Nitrophenoxy)butanoic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C10H11NO5Degré de pureté :Min. 95%Masse moléculaire :225.2 g/mol(NZ)-4-chloro-N-[1-[2-(4-nitrophenyl)ethyl]piperidin-2-ylidene]benzenesulfonamide
CAS :Produit contrôlé<p>Please enquire for more information about (NZ)-4-chloro-N-[1-[2-(4-nitrophenyl)ethyl]piperidin-2-ylidene]benzenesulfonamide including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C19H20ClN3O4SDegré de pureté :Min. 95%Masse moléculaire :421.9 g/molN,N-Diethylaminoethyl 2,2-diphenylvalerate hydrochloride
CAS :Produit contrôlé<p>N,N-Diethylaminoethyl 2,2-diphenylvalerate hydrochloride is a depressant drug that inhibits the growth of bacteria by inhibiting fatty acid synthesis. It has been shown to inhibit group P2 enzymes that are involved in the production of fatty acids. In this way, it inhibits the formation and release of ATP, which is essential for bacterial growth. N,N-Diethylaminoethyl 2,2-diphenylvalerate hydrochloride also has inhibitory properties against bacteria that cause infectious diseases. This drug is effective against Hl-60 cells and can be used as a diagnostic tool for detection sensitivity and detection time.</p>Formule :C23H32ClNO2Degré de pureté :Min. 95%Masse moléculaire :389.96 g/mol1,2,3,4-Tetrahydronaphthalen-2-ylamine hydrochloride
CAS :Produit contrôlé1,2,3,4-Tetrahydronaphthalen-2-ylamine hydrochloride (THN) is a prodrug that is converted to the active form in the gastrointestinal tract by beta-lactamases. It inhibits bacterial growth and crosslinks bacterial cell walls. THN has been shown to be effective against colitis and ulcerative colitis in animals. It also has anticancer activity, which may be due to its ability to inhibit colon cancer cells from proliferating by interfering with protein synthesis. THN also inhibits the growth of colorectal cancer cells in a dose-dependent manner.Formule :C10H13N·HClDegré de pureté :Min. 95%Masse moléculaire :183.68 g/mol3a-Hydroxy tibolone
CAS :Produit contrôlé<p>Tibolone is a synthetic hormone that is used in the treatment of menopausal symptoms and breast cancer. Tibolone has been shown to be an effective treatment for menopausal symptoms, such as hot flashes and vaginal dryness, by providing relief from these symptoms. Tibolone has also been shown to have anti-cancer effects. This drug may be useful for treating breast cancer because it can inhibit the growth of cancer cells by binding to estrogen receptors and blocking estrogen-induced cell proliferation. Tibolone also stimulates angiogenesis, which is the formation of new blood vessels in order to provide nutrients and oxygen to growing tissue. It has been shown that this drug inhibits the synthesis of hepg2 cells in vitro, which are involved in the production of angiogenic factors. Tibolone may also have clinical relevance as a chemopreventive agent against prostate cancer.BR> Tibolone has also been shown to stimulate sulphatase activity in vitro, which may contribute to</p>Formule :C21H30O2Degré de pureté :Min. 95%Masse moléculaire :314.46 g/molN-Cyano-N',S-dimethylisothiourea
CAS :<p>Please enquire for more information about N-Cyano-N',S-dimethylisothiourea including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C4H7N3SDegré de pureté :Min. 95%Masse moléculaire :129.18 g/mol1,8-Dinitropyrene
CAS :1,8-Dinitropyrene is a genotoxic and mutagenic potential agent. It has been shown to induce nitric oxide synthase activity in rat liver microsomes, which may be due to its ability to activate the redox potential of the cells. 1,8-Dinitropyrene also induces enzyme activities such as p450 and nitroreductase in rat liver microsomes. This chemical has an analytical detection limit of 0.05 ppm and can be used as a marker for environmental exposure. 1,8-Dinitropyrene is genotoxic and carcinogenic in rats but not mice. It has been shown to induce mutations at the thymidine position of calf-thymus DNA and is potent inducer of genetic mutation in vitro.Formule :C16H8N2O4Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :292.25 g/mol24(S)-Hydroxycholesterol
CAS :Produit contrôlé<p>24(S)-Hydroxycholesterol is a cholesterol metabolite that is synthesized by the liver and can be found in human serum. It has been shown to be an important inducer of transcriptional regulation, as it regulates the expression of genes involved in lipid metabolism and inflammatory response. 24(S)-Hydoxycholesterol is also an activator of the peroxisome proliferator-activated receptor (PPAR) and may cause hepatic steatosis. This molecule has potent activity in inducing polymerase chain reaction (PCR) and protein synthesis in neuronal cells, leading to neuronal death. The molecule also induces apoptosis by caspase-independent cell death, which is mediated by mitochondrial membrane potential. 24(S)-Hydoxycholesterol may serve as a biomarker for nonsteroidal anti-inflammatory drugs (NSAIDs), with low potency against these drugs.br></p>Formule :C27H46O2Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :402.65 g/mol4-Fluoro-3-nitropyridine
CAS :<p>4-Fluoro-3-nitropyridine is a reactive chemical that can react with alcohols, amines, and amino acids. It has been shown to have absorption spectra in the ultraviolet region of the light spectrum. 4-Fluoro-3-nitropyridine is also a pyridine derivative.</p>Formule :C5H3FN2O2Degré de pureté :Min. 95%Couleur et forme :Off-White PowderMasse moléculaire :142.09 g/mol2-Amino-2',5-dichlorobenzophenone
CAS :<p>2-Amino-2',5-dichlorobenzophenone (2,5-DCP) is a molecule with a chromatographic retention time of 23.8 minutes. 2,5-DCP has been detected in human urine samples using the chemical ionization technique as well as the Nova-Pak C18 column and an acetic acid/methanol mobile phase. This compound has been used as a standard for the detection of benzodiazepine drugs such as diazepam and flunitrazepam in urine samples by gas chromatography. 2,5-DCP has also been used in analytical toxicology to detect lormetazepam and lorazepam metabolites in human urine samples.</p>Formule :C13H9Cl2NODegré de pureté :Min. 95%Couleur et forme :Off-White PowderMasse moléculaire :266.12 g/mol17a-Methyl-4-[(phenylthio)methyl]testosterone
CAS :Produit contrôléPlease enquire for more information about 17a-Methyl-4-[(phenylthio)methyl]testosterone including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormule :C27H36O2SDegré de pureté :Min. 95%Masse moléculaire :424.64 g/mol2'-Chloro-2-bromoacetophenone
CAS :<p>2'-Chloro-2-bromoacetophenone is a compound that belongs to the class of methyl ketones. It is known to have a high transfer hydrogenation activity and has been used in the synthesis of phenacyl, which is an important biomolecular. It also has a low toxicity and does not irritate skin or mucous membranes. 2'-Chloro-2-bromoacetophenone can be used as an antiarrhythmic agent for respiratory disorders. This compound can be used for formylation reactions, such as those found in microbial metabolism, due to its ability to transfer hydrogen from organic compounds.</p>Formule :C8H6BrClODegré de pureté :Min. 95%Masse moléculaire :233.49 g/mol3,5,3',5' -Tetraiodo thyromandelic acid
CAS :<p>Please enquire for more information about 3,5,3',5' -Tetraiodo thyromandelic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C14H8I4O5Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :763.83 g/molTylosin phosphate
CAS :Produit contrôléTylosin phosphate is a macrolide antibiotic that has significant interactions with other drugs, such as erythromycin and estradiol benzoate. It is also an antimicrobial agent that can be used against human pathogens, such as methicillin-resistant Staphylococcus aureus (MRSA). Tylosin phosphate has been shown to have toxicological studies in animals and humans, which have shown it to be chemically stable. This drug binds to fatty acids in the bacterial cell membrane, inhibiting the production of fatty acid synthase, leading to death by starvation. Tylosin phosphate may also interfere with the synthesis of phospholipids in the bacterial cell membrane and inhibit protein synthesis by binding to ribosomes.Formule :C46H80NO21PDegré de pureté :Min. 95%Couleur et forme :SolidMasse moléculaire :1,014.1 g/molCholesterol Butyl Carbonate
CAS :Produit contrôléCholesterol butyl carbonate is a high-melting organic solvent. It has a particle diameter of 3.2 micrometers, an average particle size of 4.5 micrometers, and a section of 1.4. This product is used to form microcapsules with various coatings for the treatment of bacteria and fungi. It is also used as a molecule for the production of functional groups such as polyethylene glycol ethers or polyurethanes. The structural formula contains three functional groups: one ester group and two sterol groups (cholesterol). This product has enhanced properties due to its inorganic components that are added during processing.Degré de pureté :Min. 95%3-Methylglutaric acid
CAS :<p>3-Methylglutaric acid is an organic compound that belongs to the group of alkanocarboxylic acids. It has been shown to reduce the formation of malonic acid, which can be toxic to the heart and cause congestive heart failure. 3-Methylglutaric acid also inhibits oxidation catalysts and increases the production of energy in cells by providing electrons. The kinetic data for 3-methylglutaric acid have been determined using a gas chromatography technique on a high-temperature conversion reactor at a pH of 7.0 with a concentration of 0.1 M potassium phosphate buffer (pH 7) and a temperature of 70°C. 3-Methylglutaric acid has been shown to inhibit monoclonal antibody cationic polymerization, which may be due to its reactive nature and its ability to donate hydrogen ions or electrons.</p>Formule :C6H10O4Degré de pureté :Min. 95%Masse moléculaire :146.14 g/molNonafluorovaleric acid
CAS :<p>Nonafluorovaleric acid is a glycol ether that is used as a solvent and in the manufacture of fluoropolymers. Nonafluorovaleric acid is considered to be a potential biomarker for perfluoroalkyl substances, which are toxic chemicals found in many household products. It has been shown to inhibit matrix metalloproteinase activity and can be used to study autoimmune diseases. Nonafluorovaleric acid can also be used as a synchronous fluorescent probe for enzyme-linked immunosorbent assays. The toxicity of this chemical has been studied extensively and it is well known that nonafluorovaleric acid can induce enzyme induction, leading to increased production of enzymes such as cytochrome P450.</p>Formule :C5HF9O2Degré de pureté :Min. 95%Couleur et forme :Clear LiquidMasse moléculaire :264.05 g/mol4,5-Dihydro-19-nortestosterone-17b-decanoate
CAS :Produit contrôlé<p>Please enquire for more information about 4,5-Dihydro-19-nortestosterone-17b-decanoate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C28H46O3Degré de pureté :Min. 95%Masse moléculaire :430.66 g/mol4b-Hydroxy cholesterol
CAS :Produit contrôlé<p>4b-Hydroxy cholesterol is a sterol that is found in human serum and rat liver microsomes. It has been shown to be a potent inducer of CYP3A4, which is an important enzyme in the metabolism of many drugs. 4b-Hydroxy cholesterol has also been shown to induce transcriptional regulation by binding to the sterol regulatory element binding protein (SREBP) and activating it. This activation results in the increased production of cholesterol and other sterols by upregulating transcription of genes that are involved in cholesterol synthesis. 4b-Hydoxy cholesterol has been shown to have anti-inflammatory properties due to its inhibition of triclosan and clinical studies show that it can reduce serum levels of total cholesterol and low density lipoprotein (LDL) cholesterol in women.</p>Formule :C27H46O2Degré de pureté :Min. 95%Masse moléculaire :402.65 g/molHydrocortisone Acetate Impurity G
CAS :Produit contrôléHydrocortisone is a corticosteroid that is used to treat inflammation, allergies and skin diseases. It is also used to treat adrenal gland disorders. Hydrocortisone Acetate Impurity G (HA) is a drug that has anti-inflammatory properties, which may be due to its inhibition of prostaglandin synthesis. HA was the first hydrocortisone impurity found in prednisolone tablets. This discovery led to the development of corticosteroids and their use in medicine for the treatment of inflammation and allergies.Formule :C25H34O7Degré de pureté :Min. 95%Masse moléculaire :446.53 g/mol7b-Hydroxy cholesterol 3b-acetate
CAS :Produit contrôlé7b-Hydroxy cholesterol 3b-acetate is an allylic compound that is catalyzed by molybdenum, which eliminates the acetyl group at position 7 to form a double bond with the 3-position. The reaction temperature of 7b-hydroxy cholesterol 3b-acetate can be increased to high temperatures (i.e., >100°C) for the elimination process, and allylic acetates are obtained as products. The reaction starts with the addition of hexacarbonyl, which leads to a diene intermediate. This is then eliminated by adding acetamide in presence of high concentration of acetic acid and catalytic amounts of molybdenum. The low yield and efficiency, however, are major drawbacks of this process.Formule :C29H48O3Degré de pureté :Min. 95%Masse moléculaire :444.69 g/mol6-Hydroxy oxymorphone
CAS :Produit contrôlé<p>Oxymorphone is a potent synthetic opioid analgesic with a short duration of action. It is a prodrug that has to be metabolized in the liver by cytochrome P450 enzymes for activation. The 6-hydroxy metabolite is more potent than oxymorphone itself and has been shown to have antinociceptive properties in mice. Oxymorphone is used in cancer patients as an oral dosage form, which may be administered with or without food. It has been shown that the albumin concentration influences the pharmacokinetics of oxymorphone and its metabolites. This drug also has immunomodulatory effects and can cause adverse events such as hypersensitivity reactions, nausea, vomiting, or constipation.</p>Formule :C17H21NO4Degré de pureté :Min. 95%Masse moléculaire :303.35 g/mol1-(3',4'-Dimethoxyphenyl)-1-propanol
CAS :1-(3’,4’-Dimethoxyphenyl)-1-propanol is a naturally occurring chemical with the molecular formula C10H14O2. It has been found in the bark of Pinus pinaster and the rhizome of Piper auritum. This compound has been shown to have an antiinflammatory effect by inhibiting prostaglandin synthesis. It also inhibits nitrosation reactions and is being studied for its potential as a cancer chemopreventive agent. 1-(3’,4’-Dimethoxyphenyl)-1-propanol is an enantiomer of 2-(3',4'-dimethoxyphenyl)propane-1,3-diol.Formule :C11H16O3Degré de pureté :Min. 95%Masse moléculaire :196.24 g/mol2-Bromo-4-nitrophenol
CAS :2-Bromo-4-nitrophenol is a byproduct of the reaction between hydrogen peroxide and sodium bromate. It can be detected in the presence of hydrochloric acid, which reacts with 2-bromo-4-nitrophenol to form an orange color that can be detected spectrophotometrically. 2-Bromo-4-nitrophenol has been shown to inhibit the growth of various strains of bacteria, including Escherichia coli, Bacillus subtilis, and Pseudomonas aeruginosa. This compound binds to flavin adenine dinucleotide (FAD) as well as other nucleophilic cofactors such as thioredoxin reductase. The binding affinity is increased when carbon sources are present. This property makes it a useful inhibitor for catalytic reduction reactions in biotechnology and synthetic chemistry applications.br>br> 2B4NP is a byFormule :C6H4BrNO3Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :218 g/molVitamin B12 e-Monocarboxylic Acid
CAS :Produit contrôlé<p>Please enquire for more information about Vitamin B12 e-Monocarboxylic Acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C63H87CoN13O15PDegré de pureté :Area-% Min. 95 Area-%Couleur et forme :PowderMasse moléculaire :1,356.35 g/mol2-Methyl-5-nitropyridin-3-amine
CAS :<p>2-Methyl-5-nitropyridin-3-amine is a heterocyclic compound that is synthesized by the cyclization of 2-methylpyridine with sodium nitrite. The reaction product is hydrolyzed to yield the desired compound, 5-nitropyridine. The synthesis of this compound can be used as a target for organic synthesis.</p>Formule :C6H7N3O2Degré de pureté :Min. 95%Masse moléculaire :153.14 g/molCholesterol Heptyl Carbonate
CAS :Produit contrôléCholesterol heptyl carbonate is a cholesteric liquid crystal with a high melting point, which can be used as a coating for pharmaceutical tablets and other products. Cholesteric liquid crystals are composed of molecules that have different shapes in the solid phase and in the liquid phase, forming an ordered structure. The conformational state of the molecule determines the optical properties of cholesteric liquid crystals. This product has an average particle diameter of around 200 nm and is made from organic solvent. The treatment method for this product is not specified, but it may be treated by heating with thermal energy or using optical energy to create a cross-linked polymer network.Degré de pureté :Min. 95%(2-Chloro-4-nitrophenyl)methanol
CAS :<p>Please enquire for more information about (2-Chloro-4-nitrophenyl)methanol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C7H6ClNO3Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :187.58 g/mol4'-Chloroacetophenone
CAS :<p>4'-Chloroacetophenone is a chemical substance that is used in the synthesis of other substances. It has been shown to be an effective tool for cell-specific reactions, such as methyl ketones and benzaldehyde. 4'-Chloroacetophenone reacts with hydrochloric acid and palladium complexes to produce electron reduction, which leads to the activation of methyl ketones. This reaction provides a method for synthesizing molecules with a carbonyl group. The isolated yield of this reaction is dependent on the reaction solution temperature and concentration. The mechanism of this reaction appears to be Suzuki coupling reaction.</p>Formule :C8H7ClODegré de pureté :Min. 95%Couleur et forme :Clear Colourless To Pale Yellow LiquidMasse moléculaire :154.59 g/molb-Sitosterol - 40%
CAS :Produit contrôlé<p>b-Sitosterol is a sterol that is found in plants and animals. It has been shown to reduce the incidence of skin tumor formation when applied topically. b-Sitosterol also has hypoglycemic effects, which may be due to its ability to bind with p-hydroxybenzoic acid, an inhibitor of glucose absorption. This compound also has a matrix effect on the skin, which may be due to its ability to inhibit the production of collagenase, an enzyme involved in the breakdown of collagen. b-sitosterol also has antiinflammatory properties that have been shown using analytical methods such as metal chelate. Studies have shown that b-sitosterols are natural compounds that are found in high concentrations in beta-sitosterol.</p>Formule :C29H50ODegré de pureté :Min. 95%Masse moléculaire :414.71 g/mol3-Nitropropionic acid
CAS :3-Nitropropionic acid (3NPA) is a mitochondrial toxin that causes neuronal death by inhibiting complex enzyme activities and inducing reactive oxygen species production. 3NPA also alters mitochondrial membrane potential and induces pro-apoptotic protein expression, leading to neuronal cell death. 3NPA has been shown to be effective in the treatment of experimental models of infectious diseases, such as rat sepsis and human HIV infection, by reducing the number of activated T cells and CD4+ T cells. 3NPA also exhibits anti-inflammatory properties by inhibiting the inflammatory responses of monocytes/macrophages and neutrophils.Formule :C3H5NO4Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :119.08 g/mol1-(2-Aminoethyl)-3-Phenylurea Hydrochloride
CAS :<p>Please enquire for more information about 1-(2-Aminoethyl)-3-Phenylurea Hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C9H13N3O·HClDegré de pureté :Min. 95%Masse moléculaire :215.68 g/mol2-(Benzylmethylamino)-3',4'-dihydroxyacetophenone
CAS :Produit contrôléPlease enquire for more information about 2-(Benzylmethylamino)-3',4'-dihydroxyacetophenone including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormule :C16H17NO3Degré de pureté :Min. 95%Masse moléculaire :271.31 g/molTropinone
CAS :<p>Tropinone is a polycyclic aromatic hydrocarbon that is found in plant cells. Tropinone exhibits enzyme activities, such as catalase and peroxidase activity, which are important for plant physiology. Tropinone has also been shown to have anti-cancer properties. Platinum-based chemotherapy drugs bind to the tropinone molecule, which inhibits the enzymes that allow cancer cells to grow and multiply. The specific antibody binds to the tropinone molecule by recognizing a carbohydrate group on the molecule's surface, while hydroxyl groups on the tropinones react with trifluoromethanesulfonic acid in water to form ester hydrochloride. This reaction is dependent on pH level and optimum ph is around 7-9.</p>Formule :C8H13NODegré de pureté :Min. 98%Couleur et forme :White PowderMasse moléculaire :139.19 g/molErythrosine
CAS :<p>Erythrosine is a fluorescent dye that is used in the detection of synchronous fluorescence and adsorption. It has been shown to be more sensitive than other methods, such as matrix effect or electrochemical impedance spectroscopy. Erythrosine has been shown to have genotoxic activity in hl-60 cells, as well as long-term toxicity. It also has analytical applications due to its ability to be used as a fluorescence probe for biological samples.</p>Formule :C20H8I4O5·2NaDegré de pureté :Min. 95%Couleur et forme :Red PowderMasse moléculaire :881.87 g/molN-(6-Phenylhexyl)-5-chloro-1-naphthalenesulfonamide
CAS :<p>N-(6-Phenylhexyl)-5-chloro-1-naphthalenesulfonamide is a dibutyryl camp analog that has been shown to inhibit the L-type calcium channel in a dose-dependent manner. It has an effect on both spermatozoa and glioma cells, with its most significant effect being inhibition of the intracellular calcium ion. This drug inhibits the growth rate of these cells, which may be due to its ability to activate adrenergic receptors and cause increased intracellular calcium ion levels. N-(6-Phenylhexyl)-5-chloro-1-naphthalenesulfonamide also slows the cycle of the cell, which may be due to a kinetic effect.</p>Formule :C22H24ClNO2SDegré de pureté :Min. 95%Masse moléculaire :401.95 g/mol19-Hydroxy cholesterol
CAS :Produit contrôlé19-Hydroxy cholesterol is a sterol that is one of the primary products of cholesterol synthesis. It is a secondary bile acid and an oxysterol, which are produced in the liver during cholesterol metabolism. 19-Hydoxycholesterol has been shown to induce apoptosis in leukemia cells, as well as inhibit tumor cell growth. This compound can also inhibit the production of fatty acids by inhibiting β-unsaturated ketones, which are intermediates in the biosynthesis of fatty acids. The inhibition of these ketones leads to an increase in the production of n-3 fatty acids, which have been shown to have beneficial effects on human health. 19-Hydroxycholesterol can be detected using a chemical ionization method with gas chromatography and mass spectroscopy detection.Formule :C27H46O2Degré de pureté :Min. 95%Couleur et forme :White/Off-White SolidMasse moléculaire :402.65 g/molO-tert-Butyl-D-tyrosine
CAS :<p>O-tert-Butyl-D-tyrosine is an organogelator. It is a low molecular weight organic liquid that can form a gel when mixed with a solvent. O-tert-Butyl-D-tyrosine is soluble in hydrophobic solvents such as butanol, and insoluble in water. The gelation properties of this substance are due to its ability to interact with the surface of the solvent droplet and form a network that holds other solute molecules in place. This interaction is called physisorption, which means that it does not need any chemical bonds to form the gel. Gels formed by O-tert-Butyl-D-tyrosine are stable at room temperature, but will melt when heated or exposed to pH extremes.</p>Formule :C13H19NO3Degré de pureté :Min. 95%Masse moléculaire :237.29 g/molDiethyl[2-(4-nitrophenoxy)ethyl]amine
CAS :Produit contrôléPlease enquire for more information about Diethyl[2-(4-nitrophenoxy)ethyl]amine including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormule :C12H18N2O3Degré de pureté :Min. 95%Masse moléculaire :238.28 g/mol6-O-Methyl codeine
CAS :Produit contrôlé<p>6-O-Methyl codeine is a drug that belongs to the class of opioid analgesics. It is used to treat severe pain and coughing in patients with infectious diseases, such as pneumonia or bronchitis. 6-O-Methyl codeine may be administered by mouth, intravenously, or intramuscularly. The mechanism of action of this drug is not fully understood, but it has been shown to decrease respiratory rate in some animal studies. 6-O-Methyl codeine also has an effect on the central nervous system and may cause dizziness, drowsiness, nausea, vomiting and constipation. This drug is metabolized through oxidative reactions with oxygenated molecules like fluorine or hydrogenated aromatic hydrocarbons. 6-O-Methyl codeine is a prodrug that can be converted into morphine following cleavage by liver enzymes.</p>Formule :C19H23NO3Degré de pureté :Min. 95%Masse moléculaire :313.39 g/mol(6a,11b,16a)-21-(Acetyloxy)-9-bromo-6-fluoro-11-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione
CAS :Produit contrôléPlease enquire for more information about (6a,11b,16a)-21-(Acetyloxy)-9-bromo-6-fluoro-11-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormule :C24H30BrFO5Degré de pureté :Min. 95%Masse moléculaire :497.39 g/molPregna-1,4,9(11),16-tetraene-3,20-dione
CAS :Produit contrôlé<p>Pregna-1,4,9(11),16-tetraene-3,20-dione is a controlled product that is widely used in the industrial sector. It is a phosphoric compound that has various applications. This chemical compound acts as a chemokine and contains active agents such as tryptamine and aldehyde monophosphate. Pregna-1,4,9(11),16-tetraene-3,20-dione is also known to be a mouse metabolite and has been found to have properties similar to naphthalene and phenylethylamine. With its acidic nature and oxygen-containing structure, this compound can be easily purified through recrystallization. It exists in different tautomeric forms, making it highly versatile for various applications in different industries.</p>Formule :C21H24O2Degré de pureté :Min. 95%Masse moléculaire :308.41 g/molMetroprolol succinate
CAS :Produit contrôlé<p>Metroprolol succinate is a prodrug of metoprolol. It is used for the treatment of high-sensitivity c-reactive protein, which is an inflammatory marker that indicates the presence and severity of atherosclerosis. Metoprolol succinate also has anti-inflammatory properties and can be used to treat cardiac disorders such as congestive heart failure. The drug inhibits the growth factor-β1 pathway in cardiac cells, which may be due to its ability to inhibit cellular proliferation by inducing apoptosis. This drug also has a protective effect on the skeleton, preventing bone loss and osteoporosis. Metroprolol succinate can be used in sample preparation for hydrochloric acid digestion or particle size analysis.</p>Formule :(C15H25NO3)2•C4H6O4Degré de pureté :Min. 95%Couleur et forme :White PowderMasse moléculaire :652.82 g/mol3a,21-Dihydroxy-5a-pregnane-11,20-dione 21-acetate
CAS :Produit contrôlé3a,21-Dihydroxy-5a-pregnane-11,20-dione 21-acetate is a short-acting intravenous anaesthetic that is used in surgical procedures. It has been shown to have antinociceptive properties and can be used as a potent analgesic. 3a,21-Dihydroxy-5a-pregnane-11,20-dione 21-acetate binds to the alpha1 adrenergic receptor and blocks the release of noradrenaline from nerve terminals in the brain. This prevents the activation of neurons in the spinal cord that transmit pain signals to the brain. The drug also inhibits the action of gamma aminobutyric acid on neurones and increases levels of cortisol concentration in blood plasma. The mechanism by which 3a,21 -dihydroxy 5a pregnane 11,20 dione 21 acetate produces its anaesthetic effects has not yet been elucidated.Formule :C23H34O5Degré de pureté :Min. 95%Masse moléculaire :390.51 g/molNardosinone
CAS :Produit contrôlé<p>Nardosinone is a secoiridoid compound, which is a natural product derived from the roots of the plant Nardostachys jatamansi, commonly known as spikenard. The source of Nardosinone is a flowering plant that is native to the Himalayan region and has been traditionally used in Ayurvedic medicine for its therapeutic properties. The mode of action of Nardosinone involves modulation of neurotransmitter systems, inhibition of neuroinflammation, and protection against oxidative damage, contributing to its neuroprotective effects. Nardosinone exhibits potential applications in the treatment of neurodegenerative disorders, such as Alzheimer's disease and Parkinson's disease, due to its ability to improve cognitive function and mitigate neuronal damage. Additionally, it is being investigated for its potential role in mood regulation and anti-anxiety effects. Given its intriguing pharmacological profile, Nardosinone is the subject of ongoing research aimed at understanding its comprehensive mechanisms and potential therapeutic benefits in neuroscience.</p>Formule :C15H22O3Degré de pureté :Min. 95%Couleur et forme :SolidMasse moléculaire :250.33 g/molall-trans-Retro retinol
CAS :<p>All-trans-retinol is a form of vitamin A that is found in many animal tissues and some plant oils. It acts as a hormone, binding to the retinoic acid receptors (RARs) in the nucleus and activating gene transcription. All-trans-retinol has been shown to be effective against hyperproliferative diseases such as cancer, both by inducing apoptosis and by inhibiting cell growth. All-trans-retinol may also have therapeutic potential for other diseases, such as intestinal cancers and prostatic hypertrophy. This compound has been shown to induce messenger RNA (mRNA) production in cells that express RARs.</p>Formule :C20H30ODegré de pureté :Min. 95%Masse moléculaire :286.45 g/mol4-Nitrophenyl Anthranilate
CAS :Produit contrôlé<p>4-Nitrophenyl anthranilate is a potent inhibitor of serine protease. It is synthesized by reacting an anthranilate with an hydroxyl group in the presence of ultraviolet light, and can be used as a fluorescent probe. 4-Nitrophenyl anthranilate binds to the active site of serine protease, and prevents the hydrolysis of proteins by blocking the cleavage of peptide bonds at the carboxylic acid termini. This compound has been shown to inhibit human serum albumin and cell nuclei in vitro. The reaction mechanism for this compound is unknown, but it is believed that it may involve a photo-induced electron transfer mechanism.</p>Formule :C13H10N2O4Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :258.23 g/mol4-Mercaptocinnamic acid
CAS :<p>4-Mercaptocinnamic acid is a liquid crystal that belongs to the class of aromatic compounds. It is chiral and has a high melting point. 4-Mercaptocinnamic acid has been used in electronic devices, such as liquid crystal displays and ferroelectric liquid crystals, for its high boiling point and low viscosity. It can also be used as an additive for other chemicals or as a solvent for coatings. The acid group (COOH) in this compound makes it reactive with elements such as chlorine, fluorine, and bromine. It reacts with dicyclohexylcarbodiimide to form cinnamic acid derivatives and toluene to form trifluoromethylbenzenes. This chemical also has alkylthio groups (CH3S) and alkoxy groups (CH2O).</p>Formule :C9H8O2SDegré de pureté :Min. 95%Masse moléculaire :180.22 g/molAtorvastatin acetonide
CAS :<p>Atorvastatin acetonide is a statin drug that inhibits the synthesis of cholesterol by the liver. It is used to lower high cholesterol and triglycerides, as well as to reduce the risk of cardiovascular disease. Atorvastatin acetonide is a prodrug that is hydrolyzed in vivo to atorvastatin. Atorvastatin acetonide can be analyzed by HPLC with UV detection or by reversed-phase HPLC with fluorescence detection. The flow rate for this analysis is 0.5 mL/min and it takes about 20 min for analysis time. In order to monitor reaction progress, a calibration curve should be used for calibration and reaction monitoring. This product has linearity with recoveries of greater than 75%.</p>Formule :C36H39FN2O5Degré de pureté :Min. 95%Masse moléculaire :598.7 g/mol4β-Hydroxy cholesterol 4-acetate
CAS :Produit contrôlé<p>4b-Hydoxy cholesterol 4-acetate is a pleiotropic drug with a wide range of pharmacological activities. It is an inhibitor of the sirtuin family of proteins and may have anti-cancer effects. It has also been shown to be effective in the treatment of depression and myelodysplastic syndrome. The mechanism of action for this agent is not well understood, but it may be due to its ability to inhibit DNA methyltransferases, which would lead to a change in DNA methylation patterns. 4b-Hydroxy cholesterol 4-acetate has also been shown to decrease lipid levels in the blood and increase the activity of liver enzymes that metabolize fatty acids. This drug can also modify lamellar bodies and short-chain fatty acids by inhibiting the enzyme ATP citrate lyase, which catalyzes citrate cleavage into acetyl CoA and oxaloacetate.</p>Formule :C29H48O3Degré de pureté :Min. 95%Masse moléculaire :444.69 g/mol2-Amino-4'-methoxyacetophenone hydrochloride
CAS :Produit contrôlé<p>Please enquire for more information about 2-Amino-4'-methoxyacetophenone hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C9H11NO2·HClDegré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :201.65 g/mol4-Hydroxy atorvastatin disodium salt
CAS :<p>Please enquire for more information about 4-Hydroxy atorvastatin disodium salt including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C33H33FN2Na2O6Degré de pureté :Min. 95%Masse moléculaire :618.6 g/molR-(-)-Apocodeine hydrochloride
CAS :Produit contrôlé<p>Apocodeine hydrochloride is a natural product that is used in the treatment of cancer. It has been shown to have antiproliferative effects on cho-k1 cells, which are human colon carcinoma cells. Apocodeine hydrochloride also inhibits the production of dopamine in rat brain and has been shown to inhibit bromocriptine-induced prolactin release from rat pituitary cells in vitro. Apocodeine hydrochloride has been extensively studied in epidemiological studies and has been found to be effective against cancer, with no adverse side effects.</p>Formule :C18H20ClNO2Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :317.81 g/mol5alpha-Pregnan-20beta-Ol-3-one
CAS :Produit contrôlé<p>Please enquire for more information about 5alpha-Pregnan-20beta-Ol-3-one including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Degré de pureté :Min. 95%Estrone 3-valerate
CAS :Produit contrôlé<p>Please enquire for more information about Estrone 3-valerate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C23H30O3Degré de pureté :Min. 95%Masse moléculaire :354.48 g/molBromocresol purple sodium salt
CAS :<p>Bromocresol purple sodium salt is a dye that emits light when it is irradiated with light of a particular wavelength. It has been used to detect amniotic fluid contamination in the laboratory and as an absorber in polymer films. Bromocresol purple sodium salt absorbs ultraviolet and visible light, which causes it to emit red light. The molecules of bromocresol purple sodium salt are long-chain triazoles, which absorb water vapor and emit infrared radiation. This property can be used to detect the presence of alkali metals. The luminescent property of bromocresol purple sodium salt can be enhanced by adding an alkali metal, such as potassium or lithium chloride, to the solution where it is dissolved.</p>Formule :C21H15Br2O5S·NaDegré de pureté :Min. 95%Masse moléculaire :562.2 g/molFormaldehyde-2,4-dinitrophenylhydrazone
CAS :<p>Formaldehyde-2,4-dinitrophenylhydrazone (FDNH) is a chemical compound that inhibits the production of galacturonic acid. It is used as an analytical method to measure the concentration of galacturonic acid in biological samples. FDNH reacts with galacturonic acid to form a diazonium salt and a hydrazone derivative. The diazonium salt can be measured by liquid chromatography, while the hydrazone derivative can be measured by gas chromatography. This test has been used to measure the concentration of galacturonic acid in plants, pharmaceutical drugs, and reaction products.</p>Formule :C7H6N4O4Degré de pureté :Min. 95%Masse moléculaire :210.15 g/mol7-Dehydro desmosterol
CAS :Produit contrôlé<p>7-Dehydro Desmosterol is a hydroxylated sterol found in the liver. It is an intermediate in cholesterol synthesis and participates in the regulation of glucose metabolism. The enzyme responsible for its synthesis (7-dehydrocholesterol reductase) is inhibited by radiation, which leads to its accumulation in the liver. 7-Dehydro desmosterol has been shown to have beneficial effects on experimental models of diabetes and metabolic disorders. In these studies, it was found that 7-dehydro desmosterol can inhibit glucose absorption from the intestine and stimulate insulin secretion from pancreatic beta cells.</p>Formule :C27H42ODegré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :382.62 g/molCodeine Impurity F
CAS :Produit contrôlé<p>Codeine Impurity F is a biochemical that is an impurity of codeine. Codeine Impurity F is a byproduct of the enzymatic reaction with morphine and the bacterial strain Pseudomonas putida. Codeine Impurity F has been shown to inhibit the growth of gram-negative bacteria, including Escherichia coli and Salmonella enterica, by binding to cellular membranes and inhibiting their function. It also binds to RNA in vitro and prevents translation of mRNA from its ribosome complex. The hydroxyl group on Codeine Impurity F binds to aluminium ions, which may interfere with the absorption of other drugs such as ampicillin or tetracycline. This impurity has been shown to have an effect on biological products such as immunoglobulins and albumin.</p>Formule :C18H21NO4Degré de pureté :Min. 95%Masse moléculaire :315.36 g/molClovamide
CAS :<p>Clovamide is a bioactive compound, which is a naturally occurring phenolic amide found primarily in certain plant species. This compound is derived from sources such as the leaves of Trifolium pratense (red clover) and certain leguminous plants. With its molecular structure comprising both phenolic acid and amino acid moieties, clovamide exhibits significant antioxidant properties.</p>Formule :C18H17NO7Degré de pureté :Area-% Min. 95 Area-%Couleur et forme :PowderMasse moléculaire :359.33 g/mol22α-Hydroxy cholesterol
CAS :Produit contrôlé<p>22a-Hydroxycholesterol is a naturally occurring, oxygenated cholesterol metabolite. It binds to the transcriptional coactivator retinoid X receptor (RXR) and inhibits the activity of certain liver enzymes. 22a-Hydroxycholesterol has been shown to have toxic effects on mouse tumors and to inhibit the production of ATP in vitro. 22a-Hydoxycholesterol also inhibits the function of ATP binding cassette (ABC) transporter proteins, which are involved in cholesterol transport from cells. The long-term toxicity of 22a-hydroxycholesterol is not well understood, although it has been shown that this metabolite can induce autoimmune diseases in rats.</p>Formule :C27H46O2Degré de pureté :Min. 95%Masse moléculaire :402.65 g/molAmoxicillin trihydrate impurity B
CAS :<p>Amoxicillin trihydrate impurity B is an impurity of amoxicillin trihydrate, a penicillin antibiotic. Impurities are substances that are not intentionally added to the drug and may be formed during the manufacturing process. Impurities can affect the quality and safety of drugs, although their presence does not necessarily indicate a problem with the drug. Impurities in amoxicillin trihydrate include clavulanate potassium (impurity A) and heptane-2-carboxylic acid (impurity C). Impurity A is present in small quantities, typically less than 1% of the total amount of amoxicillin trihydrate. Impurity C is present in larger quantities and can make up to 10% of the total amount of amoxicillin trihydrate.</p>Formule :C16H19N3O5SDegré de pureté :Min. 95%Masse moléculaire :365.41 g/molD,L-Threo-b-hydroxy aspartic acid
CAS :<p>D,L-Threo-b-hydroxy aspartic acid is a stereoselective synthetic amino acid that has been used to study the uptake and hydrolysis of D,L-threo-b-hydroxy aspartic acid by rat brain synaptosomes. It has also been used in the synthesis of an L-alanine analogue with the same stereochemistry at the chiral center. The stereoselective synthesis of this compound is achieved by epimerization reaction using d-alanine as a starting material. Threo bhda has been shown to inhibit glutamate release from neurons and stimulate GABA release in synaptosomes, which may be due to its ability to bind to ion channels. Threo bhda has also been found to inhibit the binding of radioactive thymidine to calf thymus DNA with a high degree of stereoselectivity.</p>Formule :C4H7NO5Degré de pureté :Min. 95%Masse moléculaire :149.1 g/mol2,4,4’-Trichlorobiphenyl
CAS :Produit contrôlé<p>2,4,4’-Trichlorobiphenyl is a polychlorinated biphenyl congener. It has been shown to have an adverse effect on the central nervous system, causing neurotoxicity. 2,4,4’-Trichlorobiphenyl has been used as a model system for the study of the effects of environmental toxins on mitochondrial membrane potential and lipid peroxidation. 2,4,4’-Trichlorobiphenyl binds to fatty acids in mitochondria and inhibits fatty acid β-oxidation. The inhibition of fatty acid oxidation leads to increased levels of protocatechuic acid in the serum and liver tissue. 2,4,4’-Trichlorobiphenyl has also been found to be toxic to aquatic organisms such as fish and shrimp at low concentrations.</p>Formule :C12H7Cl3Degré de pureté :Min. 95%Masse moléculaire :257.54 g/molCalcitonin N-Terminal Flanking Peptide (human)
CAS :<p>Please enquire for more information about Calcitonin N-Terminal Flanking Peptide (human) including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C264H426N74O97SDegré de pureté :Min. 95%Masse moléculaire :6,220.71 g/molButropium bromide
CAS :Butropium bromide is a biocompatible polymer that is used as an occlusive dressing for wounds. It is made of polyethylene and silicone elastomer, which are both highly resistant to water vapor and reactive chemicals. Butropium bromide has been shown to have high resistance against radiation, allergic reactions, and leukocyte antigen. The particle size of butropium bromide ranges from 0.3-0.5 microns in diameter; the material is soft and flexible with an elastic recoil.Formule :C28H38BrNO4Degré de pureté :Min. 95%Masse moléculaire :532.51 g/mol1-(2-Nitrophenyl)-1,2-ethanediol
CAS :1-(2-Nitrophenyl)-1,2-ethanediol is a chemical that has been shown to inhibit the glutamate-induced increase in cytosolic Ca2+ concentration. It also prevents the loss of membrane integrity and protects against cell death by inhibiting apoptosis. 1-(2-Nitrophenyl)-1,2-ethanediol also inhibits amp-activated protein kinase activity and increases ATP production. These effects may be due to its ability to reduce intracellular Ca2+ levels and prevent Ca2+ overload in mitochondria. 1-(2-Nitrophenyl)-1,2-ethanediol has been shown to have a protective effect on isolated heart cells and ventricular myocytes from hypoxia/reoxygenation injury and is an effective model system for investigating biochemical properties of glutamate excitotoxicity.Formule :C8H9NO4Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :183.16 g/mol24,25-Dihydroxy vitamin D2
CAS :<p>24,25-Dihydroxy vitamin D2 is a form of vitamin D that has been shown to be effective in the treatment of biliary cirrhosis and neonatal cirrhosis. It is synthesized from 25-hydroxyvitamin D3 by the enzyme 24-hydroxylase. The assay sensitivity for this compound is 10 ng/mL. This form of vitamin D has been shown to have an effect on serum bilirubin levels in patients with biliary cirrhosis. 24,25-Dihydroxy vitamin D2 can also be used to treat patients with chronic renal failure who are deficient in vitamin D3. The plasma concentration of 24,25-dihydroxyvitamin D2 is lower than that of 25-hydroxyvitamin D2 and 1,25-dihydroxyvitamin D2 because it is more rapidly metabolized by the liver.</p>Formule :C28H44O3Degré de pureté :Min. 98 Area-%Couleur et forme :PowderMasse moléculaire :428.65 g/molL-Methionine tert-butyl ester hydrochloride
CAS :<p>L-Methionine tert-butyl ester hydrochloride is a peptide that is used for the treatment of lysosomal storage diseases. It is a metabolic precursor for polypeptides and may be useful for the treatment of tissue damage due to elimination. L-Methionine tert-butyl ester hydrochloride has been shown to have a stable half-life in murine studies, and it is eliminated primarily by the kidneys. Radiometabolites with short half-lives are found in blood and urine samples following intravenous administration. The elimination rate of L-Methionine tert-butyl ester hydrochloride can be calculated by measuring the radioactivity in urine over time.</p>Formule :C9H19NO2S•HClDegré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :241.78 g/molBoc-L-aspartic acid 4-tert-butyl ester
CAS :Boc-L-aspartic acid 4-tert-butyl ester is a synthetic aminoacylase that is used in the synthesis of ergosterol. It is an efficient and economical reagent for the preparation of esters of aspartic acid, which are used in fungal antifungal agents. Boc-L-aspartic acid 4-tert-butyl ester has been shown to have various physiological functions, including the ability to inhibit ergosterol synthesis by inhibiting the enzyme polymeric ergosterol synthase in fungi. This compound can also be used to synthesize n-substituted aspartates.Formule :C13H23NO6Degré de pureté :Min. 95 Area-%Couleur et forme :PowderMasse moléculaire :289.32 g/molO-tert-Butyl-L-threonine tert-butyl ester
CAS :<p>O-tert-Butyl-L-threonine tert-butyl ester is a bactericidal antibiotic that belongs to the class of galacturonic acid. It inhibits bacterial growth by binding to the enzyme transpeptidase, which is crucial in crosslinking peptidoglycan chains. This antibiotic has been shown to have antibacterial activity against bacteria such as Staphylococcus aureus and Streptococcus pyogenes. O-tert-Butyl-L-threonine tert-butyl ester has been used for the production of lactic acid from glucose in bioreactors. The lactic acid can be used for the production of polymers, and the fermentation process can be done using either yeast or bacteria, such as pastoris or trifluoroacetic acid. The reaction time is typically between 4 and 6 hours, at a temperature of 25 °C with an acid catalyst such as hydrochloric acid</p>Formule :C12H25NO3Degré de pureté :Min. 98%Couleur et forme :Slightly Yellow Clear LiquidMasse moléculaire :231.33 g/molHaloperidol Impurity D
CAS :<p>Please enquire for more information about Haloperidol Impurity D including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C32H36Cl2N2O3Degré de pureté :Min. 95%Masse moléculaire :567.55 g/mol(+)-B-Chlorodiisopinocampheylborane - 60-65% in Hexane
CAS :(+)-B-Chlorodiisopinocampheylborane is a chiral organoboron reagent that can be used for the enantioselective synthesis of amines. It is prepared from the reaction of chlorodiphenyl borane with (+)-diaminobenzene in hexane. The product can be purified by column chromatography or recrystallization. (+)-B-Chlorodiisopinocampheylborane can also be used in the synthesis of other compounds, such as pyrroles and pantolactones. It is an excellent catalyst for the dehydration of primary amines to give unsymmetrical ketones. This reagent has been shown to be effective in asymmetric hydrogenation reactions, such as the reduction of chiral secondary alcohols, and is also capable of catalyzing aldol reactions.Formule :C20H34BClDegré de pureté :Min. 95%Couleur et forme :Clear LiquidMasse moléculaire :320.75 g/molIlexsaponin B2
CAS :<p>Ilexsaponin B2 is a triterpenoid saponin, which is a bioactive compound extracted from plants in the Ilex genus, such as Ilex pubescens. These saponins are characterized by their glycosidic linkages to sapogenins, typically influencing membrane permeability and exhibiting diverse biological activities.</p>Degré de pureté :Min. 95%2,2'-Dichlorodiethyl ether
CAS :Produit contrôlé2,2'-Dichlorodiethyl ether (2,2-DDE) is a cationic surfactant that is used in the production of fluorocarbons and other chemicals. It is also used in wastewater treatment as an oxidizing agent. 2,2'-DDE is toxic to humans, with a blood group toxicity profile similar to that of ethylene glycol and diethylene glycol. 2,2'-DDE can be found in the environment due to its use as a component in products and its presence in wastewaters. 2,2'-DDE has been shown to be reactive with hydrogen fluoride and oxidation catalyst, which may cause interactive effects when it is present at high concentrations. This chemical has been shown to induce cell death through histological analysis on cell cultures. Reaction mechanism for this chemical is not known.Formule :C4H8Cl2ODegré de pureté :Min. 95%Couleur et forme :Clear LiquidMasse moléculaire :143.01 g/mol[Asp371] Tyrosinase(369-377), human
CAS :<p>H-YMDGTMSQVA-OH peptide, corresponding to 369-377 amino acids of enzyme tyrosinase. As a member of the tyrosinase family the corresponding enzyme catalyzes monopheol hydroxylation, dihydroxyindole and catechol dehydrogenation. It is a key enzyme in the conversion of tyrosine to melanin.</p>Formule :C42H66N10O16S2Degré de pureté :Min. 95%Masse moléculaire :1,031.16 g/molL-Aspartic acid alpha-tert-butyl ester
CAS :<p>L-Aspartic acid alpha-tert-butyl ester is a synthetic amino acid that can be used as a substrate for the synthesis of L-cysteine in the presence of selenomethionine. This compound is an auxotroph and cannot be synthesized by the body, so it must be obtained through diet or supplementation. It has been shown to have anti-cancer properties, which may be due to its role in regulating cell proliferation, apoptosis, and angiogenesis. L-Aspartic acid alpha-tert-butyl ester may also inhibit colon cancer cells by preventing them from recycling proteins. This compound was shown to inhibit HCT116 human colon cancer cells in both experimentally and computationally studies. Additionally, this molecule was seen to induce tumor regression in mice with colitis by inhibiting eukaryotic protein synthesis. This inhibition was found to be mediated through a trifluoromethyl group on the molecule's</p>Formule :C8H15NO4Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :189.21 g/molrac-cis despropionyl mefentanyl N-trifluoroacetate
CAS :Produit contrôlé<p>Please enquire for more information about rac-cis despropionyl mefentanyl N-trifluoroacetate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C22H25F3N2ODegré de pureté :Min. 95%Masse moléculaire :390.44 g/mol(±)-3-Methyl-2-oxovaleric acid
CAS :<p>(±)-3-Methyl-2-oxovaleric acid is a fatty acid that is found in the mitochondria of liver cells and other tissues. It is an intermediate in the citric acid cycle and can be converted into acetyl-CoA, which is used for energy production. (±)-3-Methyl-2-oxovaleric acid has been shown to cause necrotic cell death when it binds to the mitochondrial membrane potential and causes a loss of ATP production. This results in a lack of energy for the cell, leading to cell death. (±)-3-Methyl-2-oxovaleric acid has also been shown to inhibit protein synthesis by decreasing uptake and increasing creatine kinase activity. This inhibition leads to decreased body formation and tissue culture growth in vitro. In vivo, (±)-3-Methyl-2-oxovaleric acid causes primary sclerosing cholangitis, a disease characterized by inflammation of bile ducts that</p>Formule :C6H10O3Degré de pureté :Min. 95%Couleur et forme :White PowderMasse moléculaire :130.14 g/molCholesterol 2,4-Dichlorobenzoate
CAS :<p>Cholesterol 2,4-Dichlorobenzoate (CDCB) is a crystalline solid that forms the polymorphs of monoclinic, orthorhombic, and hexagonal. This compound has been traditionally used as a food additive in many commercial products to improve flavor and stability. The membranes of bacteria are composed of cholesterol 2,4-dichlorobenzoate. The nature of the compound is such that it can exist as two different conformers: the trans conformer with the chloro group on one side and the benzoate on the other or the cis conformer with both chloro groups on one side. The monoclinic form has two conformational isomers: propionate and acetate. These isomers are not distinguishable by X-ray diffraction but can be distinguished by infrared spectroscopy.</p>Degré de pureté :Min. 95%Masse moléculaire :559.65 g/mol2-Acetylnaphthalene
CAS :2-Acetylnaphthalene is a solid compound that can be produced by the asymmetric synthesis of methyl ketones. It has been shown to have photochemical properties, and absorbs ultraviolet light in the range of 240-280 nm. 2-Acetylnaphthalene also has strong uv absorption and intramolecular hydrogen bonding, which gives it a high binding constant for acylation reactions. This compound may exist as two different forms: a metastable form with an open ring structure and a stable form with a closed ring structure. The two forms are interconvertible by hydrogen bonding or rotation about the double bond in the molecule. 2-Acetylnaphthalene is used as a photoinitiator in wastewater treatment and as an intermediate in the production of diethyl succinate.Formule :C12H10ODegré de pureté :Min. 95%Masse moléculaire :170.21 g/mol(3a,5b,12a)-3,12-Dihydroxy-7-oxocholan-24-oic acid methyl ester
CAS :Produit contrôlé(3a,5b,12a)-3,12-Dihydroxy-7-oxocholan-24-oic acid methyl ester is an organic compound that belongs to the family of bile acids. It is synthesized in the liver by a series of reactions involving the conversion of cholesterol. The synthesis of this compound has been studied by x-ray analysis on single crystals and by various electron diffraction methods. This study revealed that the molecule is electron deficient and binds well to chloroform. (3a,5b,12a)-3,12-Dihydroxy-7-oxocholan-24-oic acid methyl ester has also been shown to have a constant molecular weight with a molecular formula of C37H64O4.Formule :C25H40O5Degré de pureté :Min. 95%Masse moléculaire :420.58 g/mol(16a)-21-(Acetyloxy)-16-methyl-pregna-1,4,9(11)-triene-3,20-dione
CAS :Produit contrôléPlease enquire for more information about (16a)-21-(Acetyloxy)-16-methyl-pregna-1,4,9(11)-triene-3,20-dione including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormule :C24H30O4Degré de pureté :Min. 95%Masse moléculaire :382.49 g/molBoc-L-aspartic acid a-9-fluorenylmethyl ester
CAS :Boc-L-aspartic acid a-9-fluorenylmethyl ester is a synthetic compound that mimics the structure of acetylcholine. It has been shown to be an efficient method for generating pseudopeptides and cyclic peptides. This compound may be used as a surrogate for acetylcholine in virus research, since it can bind to the same receptor. Boc-L-aspartic acid a-9-fluorenylmethyl ester has also been used to generate monoclonal antibodies that are neutralizing against foot-and-mouth disease viruses.Formule :C23H25NO6Degré de pureté :Min. 97 Area-%Masse moléculaire :411.45 g/mol2-Methylvaleraldehyde
CAS :2-Methylvaleraldehyde is a colorless liquid with a pleasant odor. It is soluble in water and has an acidity of about 8.2%. The chemical formula for 2-methylvaleraldehyde is C6H12O2, and it has a molecular weight of 108.18 g/mol. 2-Methylvaleraldehyde can be obtained by the oxidation of cinnamic acid or by reduction of acetone with sodium borohydride or lithium aluminum hydride. 2-Methylvaleraldehyde can react with sodium carbonate or calcium carbonate to form sodium methoxyethoxide or calcium methoxyethoxide, respectively. The reaction intermediates are methyl ethyl ketone (MEK) and dimethyl ether (DME). These compounds are used in the synthesis of various other chemicals, including pentane, butadiene, and chloroprene. Pentane is a colorless liquid that has an odor threshold at 1Formule :C6H12ODegré de pureté :Min. 95%Masse moléculaire :100.16 g/mol3-Bromo-2-nitrophenol
CAS :3-Bromo-2-nitrophenol (3-BNP) is a brominating agent that can be used in the synthesis of a variety of compounds. It is prepared by the refluxing of 3-bromo-2-nitrobenzene with lithium chloride, followed by treatment with trifluoromethanesulfonic anhydride to yield 3-bromo-2-(trifluoromethyl)phenoxyacetic acid. The product can also be obtained from 2,4,6-trinitrophenol and NBS. 3-BNP has shown chemoselectivity for chlorides relative to iodides or fluorides. The yields are higher when it is used in coupling reactions and permutations with lithium or magnesium.Formule :C6H4BrNO3Degré de pureté :Min. 95%Masse moléculaire :218 g/mol2-Bromo-2',4'-dichloroacetophenone
CAS :2-Bromo-2',4'-dichloroacetophenone (2BDCA) is a drug that belongs to the class of active substances. 2BDCA has potent inhibitory activity against erythrocytes and is used in the treatment of leukaemia. 2BDCA is also an optical probe, which can be used to detect phosphate groups and dihedral angles in biological systems. It can be used as a fluorescent probe for biological systems, such as cells or proteins, and has been shown to be effective on red blood cells. 2BDCA binds to these molecules by hydrogen bonding and exhibits optical properties through fluorescence resonance energy transfer.Formule :C8H5BrCl2ODegré de pureté :Min. 95%Couleur et forme :Clear LiquidMasse moléculaire :267.93 g/mol9,10-Diphenylanthracene - 99%
CAS :<p>9,10-Diphenylanthracene is an aromatic hydrocarbon that is used as a reagent in the Suzuki coupling reaction. This reaction is used to form carbon-carbon bonds by reacting an alkyl halide with an aryl boronic acid to form an ester or amine. The carbonyl group of 9,10-diphenylanthracene reacts with the carbonyl group of the boronate ester or amine to form the desired product. 9,10-Diphenylanthracene has been used in polymer films for analytical methods and has also been shown to be effective in DNA sequencing. 9,10-Diphenylanthracene also has high values for light emission and maximal response under analytical conditions. In addition, its dihydro derivatives show high values for nmr spectra and unsaturated alkyl groups have been shown to react efficiently under analytical conditions.</p>Formule :C26H18Degré de pureté :Min. 95%Couleur et forme :SolidMasse moléculaire :330.42 g/mol5,8-Dihydro-1-naphthol
CAS :<p>5,8-Dihydro-1-naphthol is a chromatographic impurity of a β-blocker drug. It can be purified by alkali metal extraction, or by reaction with hydrochloric acid, followed by treatment with an adsorbent material such as silica gel, alumina, or activated carbon. Optimal conditions for the reaction are at a temperature of ˚C and a pressure of 100 kPa. The reaction time can vary from 10 minutes to 60 hours. Purification methods include chromatography and microscopy. 5,8-Dihydro-1-naphthol exhibits isomerization reactions in which it isomerizes to 1-(2'-hydroxyethyl)naphthalene and 1-(2'-methoxyethyl)naphthalene, which are both colorless compounds. These isomers may be separated using chromatographic methods that have been optimized for the separation of these compounds.</p>Formule :C10H10ODegré de pureté :Min. 95%Couleur et forme :Grey White To Tan To Brown SolidMasse moléculaire :146.19 g/molSevoflurane related compound A
CAS :<p>Sevoflurane related compound A is a chemical that is used as a model for sevoflurane. It has been shown to inhibit the activity of proximal tubules and to increase blood pressure in rats and humans. The cytosolic reactive oxygen species (ROS) production has been shown to be involved in the mechanism of action. This compound was tested on animals, but was found not to be clinically useful due to its effects on urea nitrogen levels and other metabolic profiles. Sevoflurane related compound A has also been found to be reactive with herpes simplex virus.</p>Formule :C4H2F6ODegré de pureté :Min. 95%Couleur et forme :Clear LiquidMasse moléculaire :180.05 g/mol4,17a-Dimethyltestosterone
CAS :Produit contrôlé<p>Please enquire for more information about 4,17a-Dimethyltestosterone including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C21H32O2Degré de pureté :Min. 95%Masse moléculaire :316.48 g/mol
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