
Estándares farmacéuticos
Subcategorías de "Estándares farmacéuticos"
- APIs para investigación e impurezas(275.014 productos)
- Activadores e inhibidores de enzimas(2.827 productos)
- Nitrosaminas(2.605 productos)
- Compuestos y metabolitos farmacéuticos y veterinarios(2.884 productos)
- Toxicología(13.652 productos)
Se han encontrado 7836 productos de "Estándares farmacéuticos"
2,6-Dibromoanthracene
CAS:2,6-Dibromoanthracene is an aromatic hydrocarbon that can be synthesized in a cross-coupling reaction. It has been shown to have a high electron mobility and good thermal stability. The compound was prepared by the Suzuki coupling reaction of 2,6-dibromobenzene with phenylboronic acid. This product has no commercial use but has been tested for its transport properties and has been found to be activated by heat.
Pureza:Min. 95%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 octaethylFórmula:C36H46N4Pureza:Min. 95%Peso molecular:534.78 g/mol6-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ylamine
CAS:Producto controladoPlease enquire for more information about 6-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ylamine including the price, delivery time and more detailed product information at the technical inquiry form on this pageFórmula:C11H15NOPureza:Min. 95%Peso molecular:177.24 g/molFmoc-S-trityl-D-penicillamine
CAS: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
Fórmula:C39H35NO4SPureza:Min. 95%Peso molecular:613.77 g/mol(R)-3,3'-Dibromo-1,1'-bi-2-naphthol
CAS:(R)-3,3'-Dibromo-1,1'-bi-2-naphthol is an aromatic hydrocarbon that is chiral. It has been used as a reagent in organic synthesis and as a fluorescent labeling agent for HPLC analysis. (R)-3,3'-Dibromo-1,1'-bi-2-naphthol has also been used to synthesize biphenyls. (R)-3,3'-Dibromo-1,1'-bi-2-naphthol can be found in natural products such as flavanones and styrene. It can act as a solvating or additive agent in organic reactions and reactions involving aromatics.
Fórmula:C20H12Br2O2Pureza:Min. 95%Forma y color:PowderPeso molecular:444.12 g/mol6-Amino-5,6,7,8-tetrahydronaphthalene-2,3-diol
CAS:Producto controlado6-Amino-5,6,7,8-tetrahydronaphthalene-2,3-diol is a potent dopamine D2 receptor antagonist. It has been shown to inhibit the light emission of dopamine in vitro. This compound also has a high affinity for 5-HT receptors and has been shown to be a potent agonist at these sites. 6-Amino-5,6,7,8-tetrahydronaphthalene-2,3-diol has been found to induce pluripotent stem cells from human fibroblasts. These cells can differentiate into virtually any cell type in the body and may be used to study diseases such as Parkinson's disease and cancer.Fórmula:C10H13NO2Pureza:Min. 95%Peso molecular:179.22 g/mol1-(2-Naphthylsulfonyl)piperidine-4-carboxylic acid
CAS:Please enquire for more information about 1-(2-Naphthylsulfonyl)piperidine-4-carboxylic acid including the price, delivery time and more detailed product information at the technical inquiry form on this pageFórmula:C16H17NO4SPureza:Min. 95%Peso molecular:319.38 g/mol3',4'-(Methylenedioxy)butyrophenone
CAS:Producto controlado3',4'-(Methylenedioxy)butyrophenone is a compound that has been shown to exist in four different conformations. It has been shown to form hydrogen bonds and chains with itself, as well as hydrogen bonds with other molecules. The crystal structure of 3',4'-(methylenedioxy)butyrophenone has been determined, and it's conformation has been shown to be dependent on the nature of the solvent.
Fórmula:C11H12O3Pureza:Min. 95%Peso molecular:192.21 g/mol22α-Hydroxy cholesterol
CAS:Producto controlado22a-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.Fórmula:C27H46O2Pureza:Min. 95%Peso molecular:402.65 g/mol2,6-Dibromo-3-nitropyridine
CAS:2,6-Dibromo-3-nitropyridine is a chemical compound that has been shown to inhibit serine protease activity. The compound was shown to be an inhibitor of the enzyme trypsin, and showed some activity against a number of other proteases. 2,6-Dibromo-3-nitropyridine has also been shown to inhibit nucleophilic alkylation of DNA bases by 2,6-dichloroquinoxaline. 2,6-Dibromo-3-nitropyridine is a targeted inhibitor that binds to the active site of the enzyme and prevents the formation of an enzyme-substrate complex. This inhibition leads to a decrease in the production of proteins essential for cell division.Fórmula:C5H2Br2N2O2Pureza:Min. 95%Peso molecular:281.89 g/molWhiskey lactone
CAS:Whiskey lactone is an organic compound that belongs to the class of lactones. This sample preparation technique employs a solution of sodium hydroxide that acts as an extractant. The hydroxide solution reacts with the acidic ph of the sample, which causes hydrolysis and esterification of the fatty acid chains in the sample. The reaction is accompanied by a color change from yellow to blue. Whiskey lactone has been shown to have high values for eugenol and chemical structures such as isovaleric acid and hydroxyl group.
Fórmula:C9H16O2Pureza:Min. 98 Area-%Forma y color:Clear LiquidPeso molecular:156.22 g/mol3,4'-Dihexyl-2,2'-bithiophene
CAS:Please enquire for more information about 3,4'-Dihexyl-2,2'-bithiophene including the price, delivery time and more detailed product information at the technical inquiry form on this page
Pureza:Min. 95%2,4,6-Trichloro-5-nitropyrimidine
CAS:2,4,6-Trichloro-5-nitropyrimidine is a purine derivative that inhibits the cell proliferation of cancer cells. It has been shown to inhibit the activity of kinases and to induce apoptosis in human cancer cells in vitro. This drug also has antiproliferative potential against erythrocytes and is being investigated as a treatment for renal disease. 2,4,6-Trichloro-5-nitropyrimidine shows inhibitory effects on the phosphorylation of roscovitine by ATP and may be used to treat patients with glomerulonephritis. 2,4,6-Trichloro-5-nitropyrimidine can be synthesized from 2,4,6-trichloropyrimidinethiol and nitric acid according to the following equation: CClNO + HNO → CClNOH + NO 2 Cl + 3 HNO
Fórmula:C4Cl3N3O2Pureza:Min. 97 Area-%Peso molecular:228.42 g/mol1,2,3,4-Tetrahydronaphthalen-2-amine hydrobromide
CAS:Producto controlado1,2,3,4-Tetrahydronaphthalen-2-amine hydrobromide (THNA) is an amine that inhibits the enzyme tyrosine hydroxylase. This inhibition leads to a decrease in the synthesis of dopamine and norepinephrine. THNA has been shown to have inhibitory properties on locomotor activity, acid complex formation, and aminotransferases. It also exhibits receptor binding and agonist binding site activity. One study found that THNA had no effect on rat striatal tissue. The drug has been shown to be effective in metabolic disorders such as obesity.
Fórmula:C10H13NPureza:Min. 95%Peso molecular:147.22 g/mol1,3,5-Naphthalene trisulfonic acid
CAS:1,3,5-Naphthalene trisulfonic acid is an organic compound that is the product of the sulfonation of naphthalene. It has been shown to inhibit the activity of 3β-hydroxysteroid dehydrogenase and 17β-hydroxysteroid dehydrogenase, enzymes involved in steroidogenesis. The maximal response was observed at a concentration of 500 μM with a detection time of 30 minutes. Xenopus oocytes were used for expression and chloride currents were recorded as an indicator for enzyme activity. Concentration-response curves were generated with organic solvents such as methanol and dimethyl sulfoxide (DMSO). 1,3,5-Naphthalene trisulfonic acid also inhibits the oxidative activities of some enzymes such as lipoxygenase and cyclooxygenase.
Fórmula:C10H8O9S3Pureza:Min. 95%Peso molecular:368.36 g/molBenzoyl ecgonine isopropyl ester
CAS:Producto controladoBenzoyl ecgonine isopropyl ester is an analytical toxicology procedure that is used to identify the presence of cocaine in biological samples. The sample preparation involves homogenizing the sample, extracting it with solvents, and evaporating the solvent. Benzoyl ecgonine isopropyl ester is then incubated at room temperature for 15 minutes before adding a solution of hydrochloric acid and potassium dichromate. A color change from yellow to orange indicates the presence of cocaine. This test can be performed on either whole blood or plasma samples and can also be used to detect other drugs such as amphetamines, barbiturates, benzodiazepines, and opiates.Fórmula:C19H25NO4Pureza:Min. 95%Peso molecular:331.41 g/molδ-Hexalactone
CAS:Delta hexalactone is a fatty acid that has been shown to have antagonistic properties against bacterial growth. It has been tested for its antibacterial activity and shown to be active against human pathogens, including mycobacterium. Delta hexalactone is also used as an analytical method in order to detect the presence of glycol ethers.
Fórmula:C6H10O2Pureza:Min. 95%Forma y color:Clear LiquidPeso molecular:114.14 g/mol3,3'-Difluorobiphenyl
CAS:3,3'-Difluorobiphenyl is a liquid crystal composition that has been shown to have anisotropic properties. When 3,3'-difluorobiphenyl is mixed with other halides such as chloro- or bromo-halides, the liquid crystalline phase can be induced by the addition of ethylene. The anisotropic properties of these compositions make them useful in devices where orientation, reorientation and flow are important. 3,3'-Difluorobiphenyl has also been shown to catalyze the conversion of alcohols to esters and phenols.Fórmula:C12H8F2Pureza:Min. 95%Peso molecular:190.19 g/molCefalexin monohydrate impurity F
CAS:Please enquire for more information about Cefalexin monohydrate impurity F including the price, delivery time and more detailed product information at the technical inquiry form on this page
Fórmula:C16H17N3O4S·2H2OPureza:Min. 95%Peso molecular:383.42 g/mol7α-Hydroxystigmasterol
CAS:Producto controladoPlease enquire for more information about 7alpha-Hydroxystigmasterol including the price, delivery time and more detailed product information at the technical inquiry form on this pagePureza:Min. 95%
