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(274,914 products)
- Enzyme Activators and Inhibitors(2,827 products)
- Nitrosamines(2,605 products)
- Pharmaceutical and Veterinary Compounds and Metabolites(2,871 products)
- Toxicology(13,652 products)
Found 7836 products of "Pharmaceutical Standards"
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Boc-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.Formula:C13H23NO6Purity:Min. 95 Area-%Color and Shape:PowderMolecular weight:289.32 g/molAmoxicillin dimer tri-sodium salt (penicilloic acid form) - mixture of diastereomers
<p>Please enquire for more information about Amoxicillin dimer tri-sodium salt (penicilloic acid form) - mixture of diastereomers including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C32H27N6Na3O11S2Purity:Min. 95%Molecular weight:804.69 g/molBeclomethasone-21-Aldehyde
CAS:Controlled ProductPlease enquire for more information about Beclomethasone-21-Aldehyde including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C22H27ClO4Purity:Min. 95%Color and Shape:PowderMolecular weight:390.9 g/molTadalafil impurity B
CAS:<p>Please enquire for more information about Tadalafil impurity B including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C20H19N3O3Purity:Min. 95%Molecular weight:349.38 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.Formula:C16H8N2O4Purity:Min. 95%Color and Shape:PowderMolecular weight:292.25 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>Formula:C8H15NO4Purity:Min. 95%Color and Shape:PowderMolecular weight:189.21 g/mol1-Tosy-3-(1-naphthoyl)pyrrole
CAS:Controlled ProductPlease enquire for more information about 1-Tosy-3-(1-naphthoyl)pyrrole including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C22H17NO3SPurity:Min. 95%Molecular weight:375.44 g/molL-Methionine tert-butyl ester hydrochloride
CAS: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.Formula:C9H19NO2S•HClPurity:Min. 95%Color and Shape:PowderMolecular weight:241.78 g/mol2-[4-(tert-Butyldimethylsilyloxymethyl)-2-nitrophenoxy]acetic Acid
CAS:<p>Please enquire for more information about 2-[4-(tert-Butyldimethylsilyloxymethyl)-2-nitrophenoxy]acetic Acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C15H23NO6SiPurity:Min. 95%Molecular weight:341.43 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>Formula:C6H10O3Purity:Min. 95%Color and Shape:White PowderMolecular weight:130.14 g/mol3,4-Dinitrophenol
CAS:Controlled Product<p>3,4-Dinitrophenol is a yellow solid that is chemically synthesized from 2,4-dinitrobenzene and morpholine. 3,4-Dinitrophenol is a high energy compound with an activation energy of about 28 kcal/mol. The endpoints for the reaction are oligosaccharides and the acceptor is an ionisation mass. This molecule has a pyrazole ring and can be classified as belonging to group P2 on the periodic table of elements. 3,4-Dinitrophenol has been found to have biological functions in organic solvents such as acetone or benzene.</p>Formula:C6H4N2O5Purity:Min. 95%Color and Shape:PowderMolecular weight:184.11 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>Formula:C28H44O3Purity:Min. 98 Area-%Color and Shape:PowderMolecular weight:428.65 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>Purity:Min. 95%Molecular weight: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.Formula:C12H10OPurity:Min. 95%Molecular weight:170.21 g/mol4-Nitrophenyl hexanoate
CAS: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 processesFormula:C12H15NO4Purity:Min. 98 Area-%Color and Shape:Colorless Clear LiquidMolecular weight:237.25 g/mol7-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ylamine hydrochloride
CAS:Controlled ProductPlease enquire for more information about 7-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ylamine hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C11H15NO•HClPurity:Min. 95%Molecular weight:213.7 g/mol4'-[[1,4'-Dimethyl-2'-propyl(2,6'-bi-1H-benzimidazol)-1'-yl]-methyl]-1,1'-biphenyl-2-carboxylicacid 1,1-dimethylethylester
CAS:<p>4'-[[1,4'-Dimethyl-2'-propyl(2,6'-bi-1H-benzimidazol)-1'-yl]-methyl]-1,1'-biphenyl-2-carboxylic acid 1,1-dimethylethyl ester (DMBPC) is a drug substance that is used in the manufacture of solid oral dosage forms. It has been shown to be present at low levels as an impurity in other drug substances. The presence of this impurity has been shown to cause problems with the chromatographic and hplc methods used for its quantification. The following are some important aspects of DMBPC: A. Impurities: The purity of DMBPC is 98%. The impurity profile includes 6% 2-propylbenzimidazole (2PB), 3% 4'-[[2-(6' -methoxycarbony</p>Formula:C37H38N4O2Purity:Min. 95%Molecular weight:570.72 g/mol(3a,5b,12a)-3,12-Dihydroxy-7-oxocholan-24-oic acid methyl ester
CAS:Controlled Product(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.Formula:C25H40O5Purity:Min. 95%Molecular weight:420.58 g/molGibberellic acid methyl ester
CAS:Gibberellic acid methyl ester is a specialized plant growth regulator, which is synthetically derived from the naturally occurring gibberellins found in plants. These gibberellins are vital phytohormones that regulate various aspects of growth and development in higher plants. Gibberellic acid methyl ester functions by mimicking these natural gibberellins, interacting with plant cellular processes to stimulate and enhance growth. Its mode of action involves promoting cell elongation, division, and differentiation, thereby accelerating plant growth and influencing the lifecycle.Formula:C20H24O6Purity:Min. 95%Molecular weight:360.4 g/molL-Tyrosine 4-nitroanilide
CAS:Please enquire for more information about L-Tyrosine 4-nitroanilide including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C15H15N3O4Purity:Min. 95%Molecular weight:301.3 g/mol
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