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(273,774 products)
- Enzyme Activators and Inhibitors(2,827 products)
- Nitrosamines(2,606 products)
- Pharmaceutical and Veterinary Compounds and Metabolites(2,613 products)
- Toxicology(13,652 products)
Found 7836 products of "Pharmaceutical Standards"
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24,25-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/molL-Methionine tert-butyl ester hydrochloride
CAS:<p>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.</p>Formula:C9H19NO2S•HClPurity:Min. 95%Color and Shape:PowderMolecular weight:241.78 g/molOxazepam Related Compound A
CAS:Controlled Product<p>Please enquire for more information about Oxazepam Related Compound A including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C15H11ClN2O2Purity:Min. 95%Molecular weight:286.71 g/mol(6a,11b,16a)-21-(Acetyloxy)-9-bromo-6-fluoro-11-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione
CAS:Controlled ProductPlease enquire for more information about (6a,11b,16a)-21-(Acetyloxy)-9-bromo-6-fluoro-11-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C24H30BrFO5Purity:Min. 95%Molecular weight:497.39 g/molGuanylurea
CAS:<p>Guanylurea is a compound that contains nitrogen and intramolecular hydrogen. It has been shown to be effective in the treatment of tissue culture for pharmacological purposes. Guanylurea has also been shown to be an efficient catalyst for the process optimization of sodium salts. It can also be used as a reactant in analytical methods such as vitro assays and activated carbon adsorption.</p>Formula:C2H6N4OPurity:Min. 95%Molecular weight:102.1 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/molBoc-L-aspartic acid 4-tert-butyl ester
CAS:<p>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.</p>Formula:C13H23NO6Purity:Min. 95 Area-%Color and Shape:PowderMolecular weight:289.32 g/molGabapentin related compound A
CAS:<p>Gabapentin related compound A is a gamma-aminobutyric acid analogue that has been shown to reduce diabetic neuropathy in vivo. It binds to the GABA-B receptor, which is a ligand-gated chloride channel. Gabapentin related compound A produces a rapid increase in chloride ion conductance and hyperpolarization of neurons, leading to its neuroprotective effect. The chemical stability of this drug has been investigated by hydrolysis with hydrochloric acid under various conditions. The reaction mechanism for gabapentin related compound A is similar to that of gabapentin, but it has an analog structure that confers additional stability.</p>Formula:C9H15NOPurity:Min. 95%Color and Shape:White To Off-White SolidMolecular weight:153.22 g/mol2,3,7,8,12,13,17,18-Octaethylporphyrin
CAS:<p>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 octaethyl</p>Formula:C36H46N4Purity:Min. 95%Molecular weight:534.78 g/molErythrosin B
CAS:<p>Erythrosin B is a fluorescent dye that is used in biological research. It has been shown to have cytotoxic effects on human leukemia cells (HL-60) and cytotoxic effects on human lymphocytes. The toxicities of this compound are dependent on the concentration and the duration of exposure, as well as the type of biological sample. Erythrosin B can be used to detect DNA damage in cells by using an analytical method called matrix effect synchronous fluorescence. This dye appears to be genotoxic in vitro and in vivo, but its long-term toxicity is unknown. Erythrosin B has antimicrobial properties against gram-positive bacteria and fungi, but it does not have any activity against Gram negative bacteria or viruses.</p>Formula:C20H8I4O5Purity:Min. 95%Color and Shape:PowderMolecular weight:835.89 g/mola,O-Dimethyl serotonin
CAS:Controlled Product<p>a,O-Dimethyl serotonin is a monoamine compound that is synthesized by the enzymatic decarboxylation of 5-hydroxytryptophan. It has been shown to increase dopamine levels and inhibit the enzyme activity of serotonin in mice. This drug also binds to 5-ht2 receptors and induces the release of serotonin from nerve cells. A linear calibration curve was obtained using bufotenin as a standard. This drug has been used in analytical toxicology for determining the uptake of serotonin into human lung tissue and its effect on 5-ht1a receptors. In addition, a study was conducted with perennial ryegrass to determine whether this drug inhibits plant toxin synthesis. The results showed that it did not have an inhibitory effect on plant toxins and may even promote their synthesis.</p>Formula:C12H16N2OPurity:Min. 95%Molecular weight:204.27 g/molS-Ethylisothio urea, hydrobromide
CAS:<p>S-Ethylisothio urea, hydrobromide is a nitric oxide (NO) synthase inhibitor that prevents the conversion of arginine to NO. It has been shown to inhibit protein synthesis in cells, which may be due to its ability to inhibit guanylate cyclase and intracellular calcium concentrations. S-Ethylisothio urea, hydrobromide has been used in experimental models as an anti-inflammatory drug for the treatment of autoimmune diseases like rheumatoid arthritis. This compound also blocks the production of NO by inhibiting the oxygen transport system in the lungs, which is required for redox potential. S-Ethylisothio urea, hydrobromide is a cyclase inhibitor that prevents the conversion of dehydroascorbic acid to ascorbic acid. It can be used as an antioxidant by scavenging reactive oxygen species and preventing oxidative damage.</p>Formula:C3H9BrN2SPurity:Min. 95%Molecular weight:185.09 g/molIsoeugenol methyl ether
CAS:<p>Isoeugenol methyl ether is a plant-derived natural compound that is used in vitro as an antioxidant. It has been shown to inhibit the activity of enzymes such as hydroxylase, glucuronidase, and cytochrome P450. Isoeugenol methyl ether has also been shown to have anti-inflammatory properties and may be useful for treatment of colorectal adenocarcinoma. The mechanism by which isoeugenol methyl ether inhibits the enzyme activity is not clear but it may be due to its ability to bind reversibly with free enzyme form.</p>Formula:C11H14O2Purity:Min. 95%Color and Shape:LiquidMolecular weight:178.23 g/mol7-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ylamine hydrochloride
CAS:Controlled Product<p>Please 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 page</p>Formula:C11H15NO•HClPurity:Min. 95%Molecular weight:213.7 g/molClobetasol Propionate - Impurity C
CAS:Controlled Product<p>21-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.</p>Formula:C25H32ClFO5Purity:Min. 95%Molecular weight:466.97 g/mol1-(2-Aminoethyl)-3-Phenylurea Hydrochloride
CAS:<p>Please enquire for more information about 1-(2-Aminoethyl)-3-Phenylurea Hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C9H13N3O·HClPurity:Min. 95%Molecular weight:215.68 g/mol(R)-1,2,3,4-Tetrahydro-5-methoxy-N-propyl-2-naphthalenamine hydrochloride
CAS:Controlled Product<p>Please enquire for more information about (R)-1,2,3,4-Tetrahydro-5-methoxy-N-propyl-2-naphthalenamine hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C14H22ClNOPurity:Min. 95%Molecular weight:255.78 g/molL-Phenylalanine b-naphthylamide
CAS:<p>L-Phenylalanine b-naphthylamide is a phenylalanine derivative that can be used as an indicator for the detection of Clostridium, 2-naphthylamine, and other anaerobes. This compound is a chromogenic substrate that reacts with amino groups in amino acids and amides in peptides to form a variety of color products. The condensation of phenylalanine with 2-naphthylamine is catalyzed by enzymes found in clostridia. When L-phenylalanine b-naphthylamide is incubated with tissue from animals or humans, it produces a pink coloration that indicates the presence of clostridia. The aerobic conditions necessary for this reaction are also found in the environment and within the body.</p>Formula:C19H18N2OPurity:Min. 95%Molecular weight:290.36 g/mol2-Amino-3,4-dihydro-7-methoxy-2H-1-naphthalenone, hydrochloride
CAS:Controlled Product<p>Please enquire for more information about 2-Amino-3,4-dihydro-7-methoxy-2H-1-naphthalenone, hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C11H14ClNO2Purity:Min. 95%Molecular weight:227.69 g/molMexiletine
CAS:<p>Mexiletine is a drug that belongs to the class of drugs called antiarrhythmics. It is used for the treatment of ventricular arrhythmias and for removing cardiac conduction abnormalities. Mexiletine acts by inhibiting the release of calcium ions from the sarcoplasmic reticulum, which leads to a reduction in excitability of the heart muscle. Mexiletine has been shown to have a matrix effect on bacterial DNA, which may be due to its ability to bind with dinucleotide phosphate or its inhibitory effects on hypersensitivity syndrome. Mexiletine also has an effect on cardiac tissue, leading to decreased contractility and increased relaxation time. The mechanism by which mexiletine leads to these effects is not well understood but may be related to its ability to interact with ion channels in myocardial cells or alter protein function in these cells. Mexiletine has been shown to have some drug interactions, such as with other drugs that are metabolized through cy</p>Formula:C11H17NOPurity:Min. 95%Color and Shape:Yellow Clear LiquidMolecular weight:179.26 g/mol
