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(274.923 produits)
- Activateurs et inhibiteurs d'enzymes(2.827 produits)
- Nitrosamines(2.606 produits)
- Composés et métabolites pharmaceutiques et vétérinaires(2.873 produits)
- Toxicologie(13.652 produits)
7836 produits trouvés pour "Étalons pharmaceutiques"
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2,3,7,8,12,13,17,18-Octaethylporphyrin
CAS :2,3,7,8,12,13,17,18-Octaethylporphyrin (OEP) is a porphyrin with an octaethyl chain that has been shown to have a high fluorescence quantum yield. It can be synthesized by reacting malonic acid with 2,3-diamino-6-nitrophenol and the reaction mechanism is the same as for hematoporphyrin. The absorption spectrum of OEP shows a maximum at 330 nm and the emission spectrum peaks at 450 nm. The conformational properties of OEP are similar to those of hematoporphyrin. X-ray crystal structures show that the nitrogen atoms in OEP form a planar configuration that is different from other porphyrins. 2,3,7,8,12,13,17,18-Octaethylporphyrin (OEP) is a porphyrin with an octaethylFormule :C36H46N4Degré de pureté :Min. 95%Masse moléculaire :534.78 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/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/mol5a-Pregnane-3a,20a-diol
CAS :Produit contrôlé5a-Pregnane-3a,20a-diol is a gamma-aminobutyric acid (GABA) analogue that is used in the treatment of women with variegated hyperpigmentation. It has inhibitory properties on mutant enzymes such as disulfate reductase and other enzymes involved in the synthesis of prostaglandins. The drug binds to the enzyme GABA transaminase and this binding prevents the formation of GABA from glutamate. 5a-Pregnane-3a,20a-diol also inhibits the synthesis of prostaglandin E2 by binding to cyclooxygenase 2, leading to decreased inflammation and pain. 5a-Pregnane-3a,20a-diol is metabolized by glucuronidation or sulfation and excreted into bile or urine. This drug can also be hydrolyzed by dehydrogenases or other enzymes such as esterases.Formule :C21H36O2Degré de pureté :Min. 95%Masse moléculaire :320.51 g/molmeta-Cresol Purple
CAS :Meta-Cresol Purple (MCP) is a fluorescent dye that is used to detect DNA polymerase chain reaction products. It is a cationic dye with an absorption maximum of 590 nm in the visible spectrum. MCP has been shown to bind to nucleic acids and therefore can be used as a probe for detecting DNA polymerase chain reaction products. The detection time for MCP can be up to 10 minutes. The biological studies show that MCP binds to the 3' hydroxyl group of the ribose sugar backbone of nucleic acids, which prevents the interaction of MCP with other biomolecules such as proteins. MCP has also been used in urine samples as an antimicrobial agent against bacterial strains like Escherichia coli and Pseudomonas aeruginosa and yeast strains like Candida albicans and Saccharomyces cerevisiae. MCP is soluble in sodium carbonate at neutral pH, but insoluble in water orFormule :C21H18O5SDegré de pureté :Min. 95%Masse moléculaire :382.43 g/mol2,3-Dichloro-5-nitropyridine
CAS :2,3-Dichloro-5-nitropyridine (2,3-DNP) is an antidiabetic drug that has been shown to improve insulin sensitivity in animals. It is a sample preparation reagent that can be used to validate the use of γ-aminobutyric acid (GABA) as a linker for the immobilization of proteins on solid supports. 2,3-DNP is also used as an adipose tissue marker to study obesity and insulin resistance. This drug has been shown to increase choline levels in the liver by inhibiting its export and increasing its synthesis by phosphorylation of serine hydroxymethyltransferase. 2,3-DNP also increases fatty acid synthesis by activating acetyl coenzyme A carboxylase and inhibiting carnitine palmitoyl transferase I. 2,3-DNP has also been shown to decrease food intake and body weight gain in db/db miceFormule :C5H2Cl2N2O2Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :192.99 g/mol2,2'-Dipyridylamine
CAS :<p>2,2'-Dipyridylamine is a compound that belongs to the group of low-energy compounds. It has been shown to have antimicrobial activity against bacteria and fungi and has been demonstrated to be effective in treating cancer cells. 2,2'-Dipyridylamine is a molecule with two nitrogen atoms, which are bound by hydrogen bonds. This compound also contains methoxy groups that are coordinated by the nitrogen atoms. The structural analysis shows that there are three open coordination sites for metal ions that can bind with the nitrogen atoms. The x-ray diffraction data show that 2,2'-dipyridylamine crystallizes in a monoclinic system with an orthorhombic unit cell.</p>Formule :C10H9N3Degré de pureté :Min. 95%Masse moléculaire :171.2 g/molS-(-)-Nicotine-δ1’-(5’)-iminium diperchlorate salt
CAS :<p>Please enquire for more information about S-(-)-Nicotine-delta1’-(5’)-iminium diperchlorate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formule :C10H14Cl2N2O8Degré de pureté :Min. 95%Masse moléculaire :361.13 g/mol4-Nitrophenol
CAS :4-Nitrophenol is a chemical compound that is used in wastewater treatment to remove iron and copper ions. 4-Nitrophenol has been shown to catalyze the oxidation of picolinic acid by copper chloride, forming oxalic acid. The redox potential of 4-nitrophenol is -0.53 V, which makes it a suitable electron acceptor for the reaction. The reaction mechanism of this process involves the formation of a nitroso radical intermediate, which reacts with copper ions to form copper nitroso complexes and then reacts with oxygen to form hydroxylamine radicals. This reaction can also be followed using fluorescence probe measurements or electrochemical impedance spectroscopy (EIS).Formule :C6H5NO3Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :139.11 g/mol(1'S,2'S)-Nicotine 1'-oxide
CAS :<p>Nicotine 1'-oxide is a metabolite of nicotine which is a naturally occurring alkaloid. Nicotine 1'-oxide is produced by the oxidation of nicotine and can be found in tobacco smoke, as well as in the urine of humans. Nicotine 1'-oxide has been shown to have enzyme inhibiting properties, and has been shown to decrease insulin-stimulated glucose transport rate in human liver cells. This product also has potential use as a stabilizer for pharmaceuticals or other organic substances, and can inhibit demethylation reactions that may lead to carcinogenesis. Nicotine 1'-oxide may also play a role in the transport of chemicals across membranes.</p>Formule :C10H14N2ODegré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :178.23 g/mol3-Nitropyridine
CAS :3-Nitropyridine is a nitro compound that is used in the preparation of pharmaceuticals. It has been shown to have an inhibitory effect on HIV and other viruses, which may be due to its ability to react with nucleophilic groups. 3-Nitropyridine has also been shown to have an inhibitory effect on the human immunodeficiency virus (HIV) by reacting with the acidic group of the virus. This reaction prevents the virus from binding to cells and entering them. 3-Nitropyridine is also used as a solvent for organic reactions.Formule :C5H4N2O2Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :124.1 g/molCholesterol trans-Cinnamate
CAS :Produit contrôléPlease enquire for more information about Cholesterol trans-Cinnamate including the price, delivery time and more detailed product information at the technical inquiry form on this pageDegré de pureté :Min. 95%Clobetasol Propionate - Impurity C
CAS :Produit contrôlé21-Chloro-9-fluoro-11beta,17-dihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione 17-propionate is an ester of ketoconazole and the propionic acid. It is used as a pharmaceutical formulation and has been shown to be stable in an HPLC method. This compound also has an optical isomer that was validated by a stability test. This product has been shown to have antiinflammatory properties and may be used as a topical treatment for skin disorders such as clobetasol propionate.Formule :C25H32ClFO5Degré de pureté :Min. 95%Masse moléculaire :466.97 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%2-Chloro-2',4'-difluoroacetophenone
CAS :<p>2-Chloro-2',4'-difluoroacetophenone (2,4-DFAP) is an asymmetric synthesis of urea nitrogen. It has been shown to be a broad-spectrum antimicrobial, with activity against a number of fungi and bacteria. The molecular modelling of 2,4-DFAP has revealed that it has intramolecular hydrogen bonds and is a supramolecular enantiomer. Additionally, the transport properties have been studied and found to have chloride ions in the molecule. This may be responsible for its anti-fungal effects as well as its ability to inhibit the growth of cryptococcus neoformans.</p>Formule :C8H5ClF2ODegré de pureté :Min. 95%Masse moléculaire :190.57 g/molEstrone 3-valerate
CAS :Produit contrôléPlease 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 pageFormule :C23H30O3Degré de pureté :Min. 95%Masse moléculaire :354.48 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/molL-Methionine-methyl-13C,methyl-D3
CAS :Produit contrôléPlease 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 pageFormule :C5H8D3NO2SDegré de pureté :Min. 95%Masse moléculaire :152.23 g/mol2-Cyclohexyl-4,6-dinitrophenol
CAS :2-Cyclohexyl-4,6-dinitrophenol is a chemical that inhibits the synthesis of viral DNA. It has been shown to have minimal toxicity in animal models and may be used for the treatment of metabolic disorders, such as hepatic steatosis or hepatitis. 2-Cyclohexyl-4,6-dinitrophenol has also been shown to inhibit the toll-like receptor (TLR) pathway and induce an antiviral state in vitro. In addition, it was found to have an effect on mitochondrial membrane potential, which may explain its antiviral activity. 2-Cyclohexyl-4,6-dinitrophenol has also been shown to inhibit viral replication in cells infected with HIV and other viruses such as Hepatitis C virus.Formule :C12H14N2O5Degré de pureté :Min. 95%Masse moléculaire :266.25 g/mol2-Dicyclohexylphosphino-2'-(N,N-dimethylamino)biphenyl
CAS :Ligand used in a Pd-catalyzed Suzuki aryl-aryl couplingFormule :C26H36NPDegré de pureté :Min. 95%Couleur et forme :White To Yellow SolidMasse moléculaire :393.54 g/mol
