Pharmaceutical Standards
Subcategories of "Pharmaceutical Standards"
- APIs for research and impurities(276,919 products)
- Enzyme Activators and Inhibitors(2,829 products)
- Nitrosamines(2,646 products)
- Pharmaceutical and Veterinary Compounds and Metabolites(2,896 products)
- Toxicology(13,419 products)
Found 8067 products of "Pharmaceutical Standards"
Niclosamide ethanolamine salt
CAS:Chemically a chlorinated salicylanilide, niclosamide is clinically used as an anthelmintic agent. The action of niclosamide has been proven to proceed by inhibiting the STAT3 signaling pathway. Recently, niclosamide, has been considered as an antiproliferative agent in cancer treatment, e.g. melanoma and colorectal cancer. In 2021, niclosamide has been tested for the treatment of COVID-19 patients.Formula:C15H15Cl2N3O5Color and Shape:PowderMolecular weight:388.2 g/mol2-Acetoxyacetophenone
CAS:2-Acetoxyacetophenone is a liquid that is soluble in alcohols and ethers. It is obtained by oxidation of acetophenone with an oxidant such as potassium dichromate and sulfuric acid. This reaction also produces hydrogen peroxide as a byproduct. The product can be purified by distillation or extraction with organic solvents. 2-Acetoxyacetophenone is used to prepare acacetin, which is an aromatic ester that can be used as a solvent for paints and varnishes, lacquers, dyes, and other organic materials. Acetoxyacetophenone has been postulated to react with anthracene to form alkyl substituents via the acylation reaction. The carbonyl group present in 2-acetoxyacetophenone reacts with hydroxyacetophenone to produce 2-hydroxyacetophenone and carbon dioxide gas, which then reacts further with hydroxyacetophenone to produce 2
Formula:C10H10O3Purity:Min. 95%Molecular weight:178.18 g/mol2',6'-Dimethoxy-β-methyl-β-nitrostyrene
CAS:2',6'-Dimethoxy-beta-methyl-beta-nitrostyrene is a chemical building block that is useful for the synthesis of complex organic molecules. It is an intermediate in the manufacture of pharmaceuticals, pesticides and dyes. 2',6'-Dimethoxy-beta-methyl-beta-nitrostyrene is an important component in the production of research chemicals and speciality chemicals. The compound has been assigned CAS number 78904-44-6.Formula:C11H13NO4Purity:Min. 95%Molecular weight:223.23 g/mol2-Nitrophenylacetic acid
CAS:2-Nitrophenylacetic acid is a synthetic product that has been studied by electrochemical techniques. It is soluble in human serum and can be detected by a chromatographic method. The cationic surfactant, oxindole, chloride, and optimal reaction conditions are known for the solute. 2-Nitrophenylacetic acid is a pharmaceutical drug that can be cleaved into nitro and carboxylate products with hydrochloric acid and β-unsaturated ketone as cleavage products.Formula:C8H7NO4Purity:Min. 98 Area-%Color and Shape:PowderMolecular weight:181.15 g/molRiboflavin 5'-phosphate sodium salt dihydrate
CAS:Riboflavin 5'-phosphate sodium salt dihydrate is a fine chemical that belongs to the group of complex compounds. It is a versatile building block, which can be used as a reaction component in research or as an intermediate for the production of other chemicals. Riboflavin 5'-phosphate sodium salt dihydrate has many applications, such as being a useful scaffold for the preparation of new molecules and being a reagent for reactions involving nucleotides. This compound also has high quality and is often used in speciality chemicals.Formula:C17H20N4NaO9P·2H2OPurity:(Uv) 73.0 To 79.0%Color and Shape:PowderMolecular weight:514.36 g/mol1,3,7-Trichloronaphthalene
CAS:This validated method for the analysis of 1,3,7-trichloronaphthalene is based on a validated experimental method. It uses a set of structural coefficients and an experimental value to calculate the bioconcentration factor (BCF). The BCF is then used to calculate the optimum vector, which is found by using descriptors and structural factors. The experimental values are also used to determine the vector. This method has been validated experimentally and theoretically.
Formula:C10H5Cl3Purity:Min. 95%Color and Shape:PowderMolecular weight:231.5 g/mol(S)-(+)-1,1'-Binaphthyl-2,2'-diyl hydrogen phosphate
CAS:(S)-(+)-1,1'-Binaphthyl-2,2'-diyl hydrogen phosphate is an organic compound that is used as an analytical reagent. It is a covalent linker with a phosphate group on one end and a binaphthyl group on the other end. The phosphate group can be used to bind solutes for analysis in analytical chemistry. (S)-(+)-1,1'-Binaphthyl-2,2'-diyl hydrogen phosphate has been shown to have inhibition of sulfonic acid groups from environmental pollution. This compound also has chiral properties and can be separated into its two enantiomers using titration calorimetry at constant temperature.Formula:C20H13O4PPurity:Min. 95%Color and Shape:White Off-White PowderMolecular weight:348.29 g/mol9,10-Bis(bromomethyl)anthracene
CAS:9,10-Bis(bromomethyl)anthracene is a chemical compound that can be used as a chemical probe for electron spin resonance (ESR) spectroscopy. The ESR spectrum of 9,10-bis(bromomethyl)anthracene in trifluoroacetic acid shows a single peak at g = 2.0286 and the emission spectrum exhibits peaks at 612 nm and 581 nm. 9,10-Bis(bromomethyl)anthracene has been used to detect potassium ions by observing the fluorescence properties of the chromophore. This compound also has fluorine groups which make it very soluble in nonpolar solvents such as hexane or pentane. It can be synthesized with an efficient method that involves reacting an imine with dichloroacetic acid followed by reaction with bromine and potassium hydroxide in chloroform.Formula:C16H12Br2Purity:Min. 95%Color and Shape:PowderMolecular weight:364.07 g/mol4'-(2-Chloroethyl)acetophenone
CAS:4'-(2-Chloroethyl)acetophenone is a reagent that is used in organic synthesis. It is an essential building block for the synthesis of many other compounds and has been used to synthesize a variety of useful compounds, such as the pharmaceuticals erythromycin and penicillin. 4'-(2-Chloroethyl)acetophenone can be obtained from various suppliers, with high quality guaranteed. This chemical has been classified by CAS No. 69614-95-5 and has a molecular weight of 166.3 g/mol.
Formula:C10H11ClOPurity:Min. 95%Molecular weight:182.65 g/mol2-Oxo-2H-pyran-5-carboxylic acid methyl ester
CAS:2-Oxo-2H-pyran-5-carboxylic acid methyl ester is an activated form of 2-oxopyran. It reacts with nucleophiles, such as malic acid, to form ethyl esters. This reaction is an example of the Friedel-Crafts reaction, which is a type of electrophilic aromatic substitution. The rate of this reaction depends on the activation energies and fluorescence properties of the reactants. The mechanism for this reaction is that the double bond in the carbonyl group is ruptured by attacking nucleophiles, resulting in a release of hydrogen gas and formation of carboxylic acid derivatives. The product can be isolated using a solvent extraction technique or purified using column chromatography.Formula:C7H6O4Purity:Min. 98 Area-%Color and Shape:PowderMolecular weight:154.12 g/mol4'-Methoxy-α-naphthoflavone
CAS:4'-Methoxy-alpha-naphthoflavone is a flavonoid that has been shown to have inhibitory effects on the metabolism of 3-methylcholanthrene and other xenobiotics. The compound inhibits the oxidation of these compounds by both the cytochrome P450 and NADPH-dependent oxidases. 4'-Methoxy-alpha-naphthoflavone also inhibits the activation of these compounds by hepatic tissues, as well as the metabolism of phenobarbital by rat liver microsomes. The compound may be metabolized in vivo to 4'-hydroxy-alpha-naphthoflavone, which is more potent than 4'-methoxy-alpha-naphthoflavone.Formula:C20H14O3Purity:Min. 95%Molecular weight:302.32 g/mol1,2-Dioleoyl-sn-glycero-3-phosphatidylethanolamino (+)-biotin
CAS:This is a speciality chemical and is not intended for use in food, drug, or cosmetic applications. This fine chemical is a useful building block, which can be used to synthesize complex compounds. It has been shown to have high reactivity with a variety of reagents, making it an excellent research component.Formula:C51H92N3O10PSPurity:Min. 95%Color and Shape:PowderMolecular weight:970.33 g/molFmoc-3-(3'-pyridyl)-D-alanine
CAS:Fmoc-3-(3'-pyridyl)-D-alanine is a building block for the synthesis of a wide variety of compounds. This compound has been shown to be an excellent and versatile starting material for the synthesis of complex compounds. Fmoc-3-(3'-pyridyl)-D-alanine is also a useful intermediate in organic synthesis and can be used as a reagent or in research. It has CAS number 142994-45-4.Formula:C23H20N2O4Purity:Min. 95%Color and Shape:PowderMolecular weight:388.42 g/molO-tert-Butyl-L-tyrosine
CAS:O-tert-Butyl-L-tyrosine is a biostable, low molecular weight, hydrophobic, and diffraction active compound. It can be used as a solvent for chiral and non-chiral compounds. O-tert-Butyl-L-tyrosine has been shown to have biological function in the synthesis of peptides, proteins, and amides. This compound also has an effect on gelation and is often used in organic solvents.
Formula:C13H19NO3Purity:Min. 95%Color and Shape:SolidMolecular weight:237.29 g/molPerylene
CAS:Perylene is a polycyclic aromatic hydrocarbon that is used in the synthesis of cationic polymers. It has excellent photochemical properties and a high value for the phase transition temperature (150 °C). Perylene is also chemically stable, with a polymerization chain length of at least 12. The molecule is composed of an acyl chain and an unsaturated group. It reacts with nucleophiles to form adducts and it can be cross-linked by intermolecular hydrogen bonding. Perylene can be synthesized from acetylene, benzene, and formaldehyde in the presence of nitric acid or peroxide. The molecule absorbs light at wavelengths below 300 nm and undergoes transfer reactions to release electrons when exposed to light.
Formula:C20H12Color and Shape:Yellow PowderMolecular weight:252.31 g/molHederasaponin B
CAS:Hederasaponin B is a triterpenoid saponin found in Chinese herbs, such as Radix Astragali. The compound has been shown to have anti-inflammatory and anti-leishmanial activities in vitro and in vivo. Hederasaponin B also has neuroprotective properties, which may be due to its ability to inhibit the production of proinflammatory cytokines such as tumor necrosis factor-α (TNF-α) and nitric oxide (NO). Hederasaponin B has low bioavailability and must be administered orally for maximum effect.Formula:C59H96O25Purity:Min. 95%Color and Shape:White PowderMolecular weight:1,205.38 g/mol2,2-Bis(hydroxymethyl)-2,2',2''-nitrilotriethanol
CAS:Bis-Tris is a Bis(2-hydroxyethyl) amine buffer that forms metal chelates and can be used with proteins and nucleic acids. This buffering agent has an optimal pH range of 5.8-7.2 and a pKa of 6.46.Formula:C8H19NO5Purity:Min. 98%Color and Shape:PowderMolecular weight:209.24 g/molAmino(naphthalen-2-yl)acetic acid
CAS:Amino(naphthalen-2-yl)acetic acid is a versatile chemical building block that can be used in research, industry and as a high quality reagent. It is a useful scaffold for the synthesis of complex compounds. Amino(naphthalen-2-yl)acetic acid has been shown to be an excellent reactant for the production of fine chemicals and is high quality, with a purity of 99%. This product is also used as a speciality chemical for the production of pharmaceuticals, pesticides, and other chemical products.
Formula:C12H11NO2Purity:Min. 95%Color and Shape:PowderMolecular weight:201.22 g/mol4-Isobutylcinnamic acid
CAS:4-Isobutylcinnamic acid is an organic compound that is a derivative of the organic compound acrylic acid. It is an organic ester, which means it is formed by the reaction of an alcohol and an acid. Acrylic acid can be reacted with either ethyl alcohol or isobutyl alcohol to produce 4-isobutylcinnamic acid. The resulting product can be used in the production of polymers and plastics.Formula:C13H16O2Purity:Min. 95%Color and Shape:PowderMolecular weight:204.26 g/mol4,4',6,6'-Tetramethyl-2,2'-bipyridine
CAS:4,4',6,6'-Tetramethyl-2,2'-bipyridine (TMTB) is a small molecule that can be used as an efficient and cost-effective catalyst for the production of hydrogen from water. TMTB is able to transform solar energy into chemical energy by converting light absorbed in a semiconductor material to an electric current. TMTB has been shown to improve the efficiency of solar cells by boosting the performance of the catalysts that drive chemical reactions in the devices. This effect was found to be synergistic with other materials such as graphene oxide and tungsten disulfide. In addition, TMTB nanoparticles were shown to have a normalizing effect on the charge density in photoelectrochemical cells, which may lead to improved stability and durability.Formula:C14H16N2Purity:Min. 95 Area-%Color and Shape:PowderMolecular weight:212.30 g/mol
