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(276.267 produits)
- Activateurs et inhibiteurs d'enzymes(2.829 produits)
- Nitrosamines(2.621 produits)
- Composés et métabolites pharmaceutiques et vétérinaires(2.902 produits)
- Toxicologie(13.550 produits)
7951 produits trouvés pour "Étalons pharmaceutiques"
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1,1-Diethylurea
CAS :1,1-Diethylurea is a 5-nitrosalicylic acid amide derivative. It is used as a reagent to synthesize other chemicals, such as 3,5-dinitrosalicylic acid and N-acetyl-2,6-diaminopurine. The reaction intermediates of this compound are chloride and liquid chromatograph with azides and quinoline derivatives. The molecular modeling and reaction products of 1,1-diethylurea are organic solution and pharmaceutical preparations. Fatty acids can be used to manufacture this product.
Formule :C5H12N2ODegré de pureté :Min. 95%Masse moléculaire :116.16 g/molL-Isoleucine β-naphthylamide
CAS :L-Isoleucine beta-naphthylamide is an amide derivative of L-isoleucine and 2-naphthylamine, which are carboxylic acid derivatives. The condensation of these two substances leads to the formation of a new compound with a carboxy group and an amino group.Formule :C16H20N2ODegré de pureté :Min. 95%Masse moléculaire :256.34 g/mol1,7-Dimethylnaphthalene
CAS :1,7-Dimethylnaphthalene is a molecule that can be found in various aromatic hydrocarbons. It has been shown to have an inhibitory effect on the growth of cancer cells. 1,7-Dimethylnaphthalene is also used as a biological treatment in industrial chemicals. It is known to increase the rate of fatty acid biosynthesis and inhibits the production of certain enzymes that are involved in cancer development.Formule :C12H12Degré de pureté :Min. 95%Masse moléculaire :156.22 g/moltrans,cis-2,6-Nonadienal
CAS :Trans,cis-2,6-Nonadienal is a fatty acid derivative with an unsaturated 2,6-nonadiene structure. It is an inhibitor of the enzyme fatty acid synthase, which catalyzes the formation of long-chain polyunsaturated fatty acids. Trans,cis-2,6-Nonadienal has been shown to inhibit v79 cells and ester compounds that are used in analytical methods for measuring fatty acids. It is also able to inhibit lysine residues and it can be used as a reactive antioxidant system in mammalian cells. Trans,cis-2,6-Nonadienal has shown a profile of activities that includes inhibition at multiple endpoints involving noncompetitive inhibition as well as antioxidant activity.Formule :C9H14ODegré de pureté :Min. 95%Couleur et forme :Clear LiquidMasse moléculaire :138.21 g/molTerflavin B
CAS :Produit contrôléTerflavin B is a natural product that has been shown to have autophagy-inducing properties. Terflavin B induces autophagy by increasing the metabolic rate and inhibiting the synthesis of proteins. This product has been shown to increase the cancer cell's sensitivity to chemotherapy, which may be due to its ability to induce reactive oxygen species. In addition, terflavin B can protect against drug interactions by inhibiting the activity of cytochrome P450 enzymes. It also inhibits the growth of resistant microorganisms such as chronic kidney and bladder infections. Terflavin B contains tannins and ellagitannins, which have antimicrobial activities that are effective against bacteria, yeast, and fungi.Formule :C34H24O22Degré de pureté :Min 90%Couleur et forme :PowderMasse moléculaire :784.54 g/molcis-Vitamin K1
CAS :Vitamin K is a fat-soluble vitamin that is required for blood coagulation. The major form of vitamin K in the body is the chemically similar menaquinone. Vitamin K1, also known as phylloquinone, is synthesized by plants and bacteria and can be found in green leafy vegetables, broccoli, cabbage, Brussels sprouts, kale, spinach, soybean oil and margarine. It has been shown to be an effective supplement for treating hypoprothrombinemia (low levels of prothrombin) in infants and tissues. The terminal half-life of vitamin K1 is about 20 days.Formule :C31H46O2Degré de pureté :Min. 95%Masse moléculaire :450.7 g/mol6-(Bromomethyl)-1,1,4,4-tetramethyl-1,2,3,4-tetrahydronaphthalene
CAS :Please enquire for more information about 6-(Bromomethyl)-1,1,4,4-tetramethyl-1,2,3,4-tetrahydronaphthalene including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormule :C15H21BrDegré de pureté :Min. 80 Area-%Couleur et forme :Clear LiquidMasse moléculaire :281.23 g/molPrevitamin D2
CAS :Previtamin D2 is a chemical compound that is the natural form of vitamin D. It is found in human skin and can be converted to vitamin D3 by exposure to sunlight or artificial ultraviolet light. Previtamin D2 has been shown to have anti-cancer properties and may have potential as a dietary supplement. Previtamin D2 has been used for the treatment of dry skin, although it has not been approved for this use. The most common use of previtamin D2 is in wastewater treatment, where it is added to water as an anticancer agent. This process involves exposing the water to ultraviolet radiation and then adding previtamin D2. The previtamin D2 reacts with chlorine bleach, which releases hydrogen peroxide and creates disinfectant byproducts that are less toxic than those created by chlorine alone. Previtamin D2 can also be used in analytical chemistry as an intermediate in the production of vitamin D3 from cholesterol. It can be used as a sample preparation reagent when chromatographic scienceFormule :C28H44ODegré de pureté :90%MinCouleur et forme :White PowderMasse moléculaire :396.65 g/molTriglycerol monolaurate
CAS :Triglycerol monolaurate (GLA) is a fatty acid that can be synthesized by reacting glycerol with lauric acid. It has been shown to have antimicrobial properties, inhibiting the growth of fungi such as flavus and staphylococcus. GLA also inhibits the production of lipase and protease, enzymes that are required for the digestion of dietary fats. GLA has been used in infant formulas to inhibit the growth of bacteria, such as p. aeruginosa, which may cause infantile diarrhea. Triglycerol monolaurate is also used as dietary supplement to treat eczema due to its inhibitory effect on inflammatory cytokines such as tumor necrosis factor-α (TNF-α).
Formule :C21H42O8Degré de pureté :Min. 95%Masse moléculaire :422.55 g/molGly-arg-4-methoxy-beta-naphthylamide dihydrochloride
CAS :Please enquire for more information about Gly-arg-4-methoxy-beta-naphthylamide dihydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormule :C19H26N6O3·2ClHDegré de pureté :Min. 95%Masse moléculaire :459.37 g/mol2-Propyl valeraldehyde
CAS :2-Propyl valeraldehyde is a solvent that is used in pharmaceutical preparations and has been shown to inhibit the activity of aldehyde dehydrogenase, an enzyme that catalyzes the oxidation of alcohols and aldehydes. 2-Propyl valeraldehyde also inhibits the formation of carboxylic acids by competitive inhibition with metal ions such as zinc. The deuterium isotope effect has been used to show that 2-propyl valeraldehyde is metabolized by deuterium exchange. Mass spectrometric detection has shown that this compound contains a carbonyl group (C=O). This compound can be used as an intermediate in organic synthesis reactions, but it also has convulsant effects.Formule :C8H16ODegré de pureté :Min. 95%Masse moléculaire :128.21 g/molFutalosine
CAS :Futalosine is a fatty acid that inhibits the reaction mechanism of certain enzymes. It binds to the enzyme and prevents its activity by binding to an allosteric site on the enzyme, thereby blocking the active site. This inhibition can be reversed by adding an activator molecule, such as chorismate. Futalosine has been shown to inhibit papilloma virus and human pathogens but not bacterial species. It is also a natural compound that is found in plants and other organisms. The type species for futalosine is Choristoma mexicanum.END>Formule :C19H18N4O7Degré de pureté :Min. 95%Masse moléculaire :414.37 g/mol2-Hydroxy-6-nitronaphthalene
CAS :2-Hydroxy-6-nitronaphthalene is a colourless, crystalline solid that is soluble in water and polar organic solvents. It has been used as a coupling agent for chromium compounds, such as dichromates and chromates. 2-Hydroxy-6-nitronaphthalene can be diazotised to form an orange compound. This reaction occurs under acidic conditions, but the product is stable at alkaline pH levels. The product of this reaction is an asymmetric monoazo dye that has trivalent chromium atoms covalently bonded to it. Hydrogen atoms are present on the nitrogen atoms of the molecule. 2-Hydoxy-6-nitronaphthalene can also be used to produce sulfate esters, which are typically used in organic synthesis reactions involving sulfuric acid or hydrogen sulfate ion donors.Formule :C10H7NO3Degré de pureté :Min. 95%Masse moléculaire :189.17 g/mol1-Vinylnaphthalene, stab. with 4-tert-butylcatechol
CAS :1-Vinylnaphthalene is a monomer that has been shown to polymerize through cationic polymerization. It is reported to have high resistance, as well as fluorescence properties. The magnetic resonance spectroscopy of 1-vinylnaphthalene showed the presence of a hydroxyl group and a fatty acid side chain. The kinetic data for 1-vinylnaphthalene shows an increase in the dry weight with increasing concentration, which can be attributed to the hydroxyl group and the fatty acid side chain. Patterning experiments have also been conducted on 1-vinylnaphthalene films using hydrogen fluoride, showing that it can be used for patterning purposes.Formule :C12H10Degré de pureté :Min. 95%Couleur et forme :Clear Colourless To Yellow LiquidMasse moléculaire :154.21 g/molCaffeine citrate
CAS :Produit contrôléCaffeine citrate is a low-dose caffeine product that has been shown to increase locomotor activity in rats. Caffeine citrate is an ester of caffeine and citric acid. It inhibits the enzyme that breaks down acetylcholine, which may lead to an increase in brain functions. Caffeine citrate is used as a treatment for apnea in pediatric patients, and it has also been shown to prevent bacterial translocation and reduce liver impairment caused by certain drugs. The therapeutic effect of caffeine citrate may be due to its ability to inhibit mitochondrial membrane potential, or its effects on basic proteins such as sodium citrate, or both.
Formule :C8H10N4O2·C6H8O7Couleur et forme :White PowderMasse moléculaire :386.31 g/molN-(5-Aminopentyl) methotrexate amide-LC-biotin
N-(5-Aminopentyl) methotrexate amide-LC-biotin is a specialized bioconjugate, derived through the conjugation of methotrexate, an established antifolate drug, with an LC-biotin moiety. This product is synthesized by covalently linking methotrexate, which is known for its role in cancer therapy through the inhibition of dihydrofolate reductase (DHFR), to a biotin moiety via a long-chain spacer. The resultant bioconjugate retains the therapeutic effects of methotrexate, particularly in its ability to interrupt nucleotide synthesis, thereby affecting cell division in rapidly proliferating cancer cells.The inclusion of biotin in the structure allows for facile attachment to avidin or streptavidin-labeled systems, facilitating targeted delivery and enhanced detection in molecular and cellular studies. The primary application of N-(5-Aminopentyl) methotrexate amide-LC-biotin lies in the realm of targeted drug delivery and advanced research into methotrexate metabolism. By leveraging the high affinity of biotin-streptavidin interactions, researchers can effectively study the biodistribution and cellular uptake of methotrexate, advancing cancer therapeutic strategies and providing insights into antifolate drug mechanisms at the molecular level.Formule :C41H59N13O7SDegré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :878.06 g/molOxychelidonine
CAS :Oxychelidonine is a chemical compound that is extracted from the leaves of the Oxycoccus vernus plant. Studies have shown that oxychelidonine has significant cytotoxicity against various cancer cells, including those of the breast, prostate, and colon. It is believed to induce apoptotic cell death by inhibiting DNA synthesis and by blocking protein synthesis in cancer cells. Oxychelidonine also inhibits bacterial growth. The extract shows significant cytotoxicity against gram-negative bacteria such as Escherichia coli and Salmonella typhimurium. It has been shown to inhibit the growth of Aspergillus fumigatus, which is a fungus that causes aspergillosis, a type of lung infection. Oxychelidonine can be used in moxibustion treatments for certain conditions such as bronchitis or asthma. Moxibustion involves burning an herb called mugwort (Artemisia vulgaris) on or
Formule :C20H17NO6Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :367.35 g/molPhenylalanine betaine
CAS :Phenylalanine betaine is a naturally occurring amino acid that is found in food. Phenylalanine betaines are used as a model system for studying the effects of hydroxyl groups on protein structures and functions. It can be found in urine samples, which indicates its presence in the body. The molecular modeling of phenylalanine betaine has shown that it can function both as an amino acid and a beta-hydroxy acid. Its inhibition constant is 3.5 µM, which indicates that it may have an antibacterial activity.
Formule :C12H17NO2Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :207.27 g/mol6-Hydroxy doxazosin
CAS :Please enquire for more information about 6-Hydroxy doxazosin including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormule :C22H23N5O5Degré de pureté :Min. 95%Masse moléculaire :437.45 g/molEosine-5-isothiocyanate
CAS :Eosine-5-isothiocyanate is a fluorescent probe that has affinity for the interstitium of the kidney. This compound inhibits the transport of organic compounds across the renal tubular epithelium, and it is used as a marker for renal function. Eosine-5-isothiocyanate binds to molybdate with high affinity and can be used to measure its concentration in blood plasma. The inhibitory potency of eosine-5-isothiocyanate on carboxylates was tested by perfusing phenolphthalein through a rat's kidneys. Phenoxy dicarboxylates were found to be more potent inhibitors than phenoxy monocarboxylates, but not as potent as eosine-5-isothiocyanate itself. The spectrum of eosine-5-isothiocyanate is in the visible range, so this compound can be detected usingFormule :C21H7Br4NO5SDegré de pureté :85% MinCouleur et forme :PowderMasse moléculaire :704.97 g/mol
