
Pharmaceutical Standards
Pharmaceutical standards are a comprehensive set of reference materials essential for ensuring the safety, efficacy, and quality of pharmaceutical products. This category includes standards for active pharmaceutical ingredients (APIs), which are the core components responsible for therapeutic effects. Additionally, it covers compounds and metabolites relevant to both the pharmaceutical and veterinary industries, providing benchmarks for the accurate measurement and analysis of these substances. Nitrosamine control standards are crucial for detecting and mitigating potentially harmful nitrosamines in drug formulations. Toxicology standards help assess the safety and potential adverse effects of pharmaceutical compounds. Furthermore, enzyme activators and inhibitors standards are vital for research and development, enabling precise studies of biochemical pathways and drug mechanisms. These pharmaceutical standards are indispensable tools for regulatory compliance, quality control, and research, ensuring that pharmaceutical products meet stringent safety and effectiveness criteria.
Subcategories of "Pharmaceutical Standards"
- APIs for research and impurities(273,463 products)
- Enzyme Activators and Inhibitors(2,827 products)
- Nitrosamines(2,605 products)
- Pharmaceutical and Veterinary Compounds and Metabolites(2,577 products)
- Toxicology(13,652 products)
Found 7836 products of "Pharmaceutical Standards"
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1,2,3,4-Tetrahydronaphthalen-2-amine hydrobromide
CAS:Controlled Product<p>1,2,3,4-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.</p>Formula:C10H13NPurity:Min. 95%Molecular weight:147.22 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>Formula:C9H8O2SPurity:Min. 95%Molecular weight:180.22 g/molrac-4'-Methyl ketoprofen
CAS:<p>Please enquire for more information about rac-4'-Methyl ketoprofen including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C17H16O3Purity:Min. 95%Color and Shape:PowderMolecular weight:268.31 g/mol4’-Hydroxy diclofenac-13C6
CAS:<p>Please enquire for more information about 4’-Hydroxy diclofenac-13C6 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C6C8H11Cl2NO3Purity:Min. 95%Color and Shape:PowderMolecular weight:318.15 g/molcis-trans Nepetalactone
CAS:<p>荆芥内酯是一种驱虫的化合物,使猫薄荷开花植物能够吸引猫。据信,荆芥内酯可以通过模仿猫的信息素来改变猫的行为。</p>Formula:C10H14O2Purity:Min. 97 Area-%Color and Shape:Colorless Clear LiquidMolecular weight:166.22 g/molAlfentanil hydrochloride
CAS:Controlled Product<p>Alfentanil is an opioid analgesic that is used for the treatment of severe or acute pain. It is a potent synthetic analog of fentanyl, which is an opioid analgesic that is used for the treatment of short-term (acute) and long-term (chronic) pain. Alfentanil has been shown to have a high affinity for α1-acid glycoprotein, which has been associated with drug interactions and blood sampling. Alfentanil also has chemical stability in experimental models and does not interact with nonsteroidal anti-inflammatory drugs. This drug may have a matrix effect on the concentration of cortisol in the blood.</p>Formula:C21H33ClN6O3Purity:Min. 95%Molecular weight:452.98 g/molall-trans 5,6-Epoxy retinoic acid
CAS:<p>5,6-Epoxy retinoic acid is a synthetic retinoid that has been shown to have biological properties in tissue culture and rat liver microsomes. It is an agonist of the retinoic acid receptor (RAR) and binds to DNA at the same site as all-trans retinoic acid. 5,6-Epoxyretinoic acid also has effects on gene expression in human serum and inhibits the proliferation of cancer cells by inducing apoptosis. The synthetic retinoid can be used as a novel chemotherapeutic agent for breast cancer or leukemia.</p>Formula:C20H28O3Purity:Min. 95 Area-%Color and Shape:Yellow PowderMolecular weight:316.43 g/molDiacetato[(R)-(+)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl]ruthenium(II)
CAS:<p>Please enquire for more information about Diacetato[(R)-(+)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl]ruthenium(II) including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C48H38O4P2RuPurity:Min. 95%Molecular weight:841.83 g/mol(3a,5b,12a)-3,12-Dihydroxy-7-oxocholan-24-oic acid methyl ester
CAS:Controlled Product<p>(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.</p>Formula:C25H40O5Purity:Min. 95%Molecular weight:420.58 g/mol3,3'-Difluorobiphenyl
CAS:<p>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.</p>Formula:C12H8F2Purity:Min. 95%Molecular weight:190.19 g/molL-b-Homotyrosine hydrochloride
CAS:<p>Please enquire for more information about L-b-Homotyrosine hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C10H13NO3·HClPurity:Min. 95%Molecular weight:231.68 g/mol5,5'-Thiodisalicylic Acid
CAS:<p>5,5'-Thiodisalicylic Acid is a reactive functional group with a silver ion. This compound has a hydrochloric acid and hydroxy group that react to form a hydroxyl group with the proton. It also has a nitrogen atom, which can be found in the reactive acidic hydroxyl group of 5,5'-thiodisalicylic acid. The fatty acids are viscosity and carbonyl groups. 5,5'-Thiodisalicylic Acid is an organic compound that reacts with chloride to form patterns.</p>Purity:Min. 95%4-Nitrophenyl hexanoate
CAS:<p>4-Nitrophenyl hexanoate is an acyl phosphate monoclonal antibody (aMAb) that binds to the enzyme hydroxylase, which converts 4-nitrophenol to p-nitrophenol. This aMAb has been shown to inhibit the activity of this enzyme and its conversion of 4-nitrophenol to p-nitrophenol, leading to its use in biochemical studies as a model for monooxygenase enzymes. The reaction mechanism for this aMAb is believed to be that it reacts with the acyl chain of hydroxylase and hinders the active site from binding 4-nitrophenol. 4-Nitrophenyl hexanoate also has a cationic surfactant that can bind or react with proteins or nucleic acids by electrostatic interactions or hydrogen bonding. It is also able to form polymers with other monoclonal antibodies and has been used in protein purification processes</p>Formula:C12H15NO4Purity:Min. 98 Area-%Color and Shape:Colorless Clear LiquidMolecular weight:237.25 g/mol1-(2-Amino-5-nitrophenyl)ethanone
CAS:<p>Please enquire for more information about 1-(2-Amino-5-nitrophenyl)ethanone including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C8H8N2O3Purity:Min. 95%Molecular weight:180.16 g/molClarithromycin impurity F
CAS:<p>Please enquire for more information about Clarithromycin impurity F including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C39H71NO13Purity:Min. 90 Area-%Color and Shape:PowderMolecular weight:761.98 g/molS-[2-(Dimethylamino)ethyl]isothiourea Dihydrochloride
CAS:Controlled Product<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>Formula:C5H13N3S·2HClPurity:Min. 95%Molecular weight:220.16 g/molCefradine impurity F
CAS:<p>Cefradine impurity F is a hydrolysis product of cefradine, which is an antibiotic. It is catalysed by β-lactamase enzymes and undergoes nucleophilic attack on the carbon atom adjacent to the carbonyl group. Cefradine impurity F has been shown to be effective against enterobacter, which is a type of bacteria that can cause urinary tract infections. The uptake of cefradine impurity F into bacteria can occur through passive diffusion or active transport mechanisms. This drug was also found to be hydrolyzed by buffers such as phosphate and acetate in vitro, but not by other substances such as EDTA and citrate. Cefradine impurity F has been shown to be hydrolyzed in vivo, with the most likely mechanism being spontaneous hydrolysis.</p>Formula:C5H6O2SPurity:Min. 95%Color and Shape:PowderMolecular weight:130.17 g/molall-trans-13,14-Dihydro retinol
CAS:<p>Retinol is a form of vitamin A that is used for the treatment of insulin resistance. It can be synthesized by the body from all-trans-retinol, which is found in many animal and plant sources. Retinol can also be obtained from supplements, although it is poorly absorbed by the body. Retinol has been shown to improve insulin sensitivity in a cell culture model system, as well as in wild-type mice with diabetes mellitus. This drug has been shown to have strong anti-inflammatory effects and may also be useful for the treatment of hepatic steatosis. Retinol binds competitively to cellular retinoic acid receptors, leading to transcriptional activation of target genes, such as those involved in fatty acid metabolism.</p>Formula:C20H32OPurity:Min. 95 Area-%Color and Shape:Clear Viscous LiquidMolecular weight:288.47 g/mol1-[(4-Nitrophenyl)methyl]-1H-1,2,4-triazole
CAS:<p>1-[(4-Nitrophenyl)methyl]-1H-1,2,4-triazole (NPT) is a drug that is used to treat migraine. It is an effective and fast acting drug that has been shown to be more efficient than other triptans. NPT inhibits the uptake of serotonin by binding to its receptors in the brain and causing vasoconstriction. The compound has been found to be safe for use in humans. However, it may cause impurities such as genotoxic nitro groups which are harmful to cells if present at high concentrations. There are various techniques that can be used to measure the kinetics of NPT and determine whether it has been hydrogenated during synthesis or not. These include calibration curves, HPLC, and GC methods.</p>Formula:C9H8N4O2Purity:Min. 95%Molecular weight:204.19 g/mol1,3-Dihydroxy-2-naphthoic acid
CAS:<p>1,3-Dihydroxy-2-naphthoic acid is an organic compound that belongs to the binaphthyls. It is a white solid that can be obtained by reacting naphthalene with inorganic phosphite in the presence of acidic potassium carbonate. This reaction system produces 1,3-dihydroxy-2-naphthoic acid and potassium biphosphite as byproducts. The reaction time depends on the concentration of reactants. 1,3-Dihydroxy-2-naphthoic acid has acidic properties and can be used as a catalyst for chemical reactions involving carboxylic compounds. This compound has been shown to be effective at treating abdominal pain caused by intestinal inflammation or infection with a carbon source such as carbohydrates (e.g., glucose) or fats (e.g., oleic acid).</p>Formula:C11H8O4Purity:Min. 95%Molecular weight:204.18 g/mol
