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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2,6-Bis(hydroxymethyl)-p-cresol
CAS:<p>2,6-Bis(hydroxymethyl)-p-cresol (BHMC) is a cross-linking agent that reacts with the hydroxyl groups of polymers to form covalent bonds. This reaction is irreversible and has been shown to be effective in thermal expansion applications. BHMC is insoluble in water and so can be used as a proton donor for the synthesis of polymer hydrogels. BHMC has also been used as a molecular modeling probe for studying protein structure and function. This compound reacts with nucleophiles by nucleophilic attack on the carbonyl carbon atom, producing an intermediate that tautomerizes to the corresponding enone. The reaction mechanism involves formation of a tetranuclear transition state followed by acid catalysis. Functional groups such as -OH, -NH2, or -COOH are required for this reaction to occur. NMR spectra have shown that there are three different chemical structures</p>Formula:C9H12O3Purity:Min. 95%Color and Shape:PowderMolecular weight:168.19 g/molTriethyl Orthovalerate
CAS:<p>Triethyl orthovalerate is an amide with a cyclic structure. It is used as a model protein for the study of the effects of structural modifications on protein stability and function. Triethyl orthovalerate has been shown to be an inhibitor of prostaglandin synthesis in human cells, which may be due to its ability to inhibit the enzyme amidase.</p>Formula:C11H24O3Purity:Min. 95%Molecular weight:204.31 g/molN-α-Z-L-lysine 4-nitrophenyl ester hydrochloride
CAS:<p>N-alpha-Z-L-lysine 4-nitrophenyl ester hydrochloride is a protease that belongs to the family of serine proteases. It is produced by the biotechnological process of enzymatic extraction from the natural polysaccharide carrageenan. This product has been used in the production of high yield and purified enzymes for industrial applications. The enzyme has been shown to have cysteine and hydrolytic activity, as well as being able to break peptidic bonds in peptides. N-alpha-Z-L-lysine 4-nitrophenyl ester hydrochloride also has a high specificity for proteolytic cleavage of proteins at their carboxy terminal end.</p>Formula:C20H23N3O6•HClPurity:Min. 95%Molecular weight:437.87 g/molTylosin phosphate
CAS:Controlled Product<p>Tylosin phosphate is a macrolide antibiotic that has significant interactions with other drugs, such as erythromycin and estradiol benzoate. It is also an antimicrobial agent that can be used against human pathogens, such as methicillin-resistant Staphylococcus aureus (MRSA). Tylosin phosphate has been shown to have toxicological studies in animals and humans, which have shown it to be chemically stable. This drug binds to fatty acids in the bacterial cell membrane, inhibiting the production of fatty acid synthase, leading to death by starvation. Tylosin phosphate may also interfere with the synthesis of phospholipids in the bacterial cell membrane and inhibit protein synthesis by binding to ribosomes.</p>Formula:C46H80NO21PPurity:Min. 95%Color and Shape:SolidMolecular weight:1,014.1 g/mol20-Epipregnantriol
CAS:Controlled Product<p>20-Epipregnantriol is a natural metabolite of pregnancy, which is a mixture of 20-hydroxyprogesterone, 17-hydroxyprogesterone, and pregnanediol. This hormone has been shown to be produced in the testes and ovaries. It stimulates the production of estrogen by the ovaries and may have an effect on inhibiting testosterone production in the testes. 20-Epipregnantriol has been used as an analytical control in studies on steroidogenesis.</p>Formula:C21H36O3Purity:Min. 95%Molecular weight:336.51 g/molO-tert-Butyl-D-tyrosine
CAS:<p>O-tert-Butyl-D-tyrosine is an organogelator. It is a low molecular weight organic liquid that can form a gel when mixed with a solvent. O-tert-Butyl-D-tyrosine is soluble in hydrophobic solvents such as butanol, and insoluble in water. The gelation properties of this substance are due to its ability to interact with the surface of the solvent droplet and form a network that holds other solute molecules in place. This interaction is called physisorption, which means that it does not need any chemical bonds to form the gel. Gels formed by O-tert-Butyl-D-tyrosine are stable at room temperature, but will melt when heated or exposed to pH extremes.</p>Formula:C13H19NO3Purity:Min. 95%Molecular weight:237.29 g/mol2-Bromo-3-methylbutenoic acid methyl ester
CAS:<p>Please enquire for more information about 2-Bromo-3-methylbutenoic acid methyl ester including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C6H9BrO2Purity:Min. 95%Molecular weight:193.04 g/molCholesterol Hydrocinnamate
CAS:Controlled Product<p>Cholesterol hydrocinnamate is a non-polar, microcapsule-encapsulated solid that has been shown to be reversibly endothermic. The transition from the solid phase to the liquid phase occurs at approximately 20°C and is accompanied by a change in color from red to yellow. The coating on the surface of the microcapsules are composed of polymers with optical properties such as high refractive index, low absorption, and low scattering. These properties are used to alter light transmission and reflection in order to evaluate the particle size distribution. Cholesterol hydrocinnamate can be prepared by thermal treatment of cholesterol cinnamate with cinnamaldehyde in solvents such as ethanol or acetone. This method produces particles that are not only non-polar but also soluble in nonpolar solvents such as hexane or heptane.</p>Purity:Min. 95%Acetyl-L-methionine sulfoxide
CAS:<p>Please enquire for more information about Acetyl-L-methionine sulfoxide including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C7H13NO4SPurity:Min. 95%Color and Shape:PowderMolecular weight:207.25 g/molDiethyl[2-(4-nitrophenoxy)ethyl]amine
CAS:Controlled Product<p>Please enquire for more information about Diethyl[2-(4-nitrophenoxy)ethyl]amine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C12H18N2O3Purity:Min. 95%Molecular weight:238.28 g/mol(3b,5a,17a)-19-Norpregnane-3,17-diol
CAS:Controlled Product<p>Please enquire for more information about (3b,5a,17a)-19-Norpregnane-3,17-diol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C20H34O2Purity:Min. 95%Molecular weight:306.48 g/molb-Sitosterol - 40%
CAS:Controlled Product<p>b-Sitosterol is a sterol that is found in plants and animals. It has been shown to reduce the incidence of skin tumor formation when applied topically. b-Sitosterol also has hypoglycemic effects, which may be due to its ability to bind with p-hydroxybenzoic acid, an inhibitor of glucose absorption. This compound also has a matrix effect on the skin, which may be due to its ability to inhibit the production of collagenase, an enzyme involved in the breakdown of collagen. b-sitosterol also has antiinflammatory properties that have been shown using analytical methods such as metal chelate. Studies have shown that b-sitosterols are natural compounds that are found in high concentrations in beta-sitosterol.</p>Formula:C29H50OPurity:Min. 95%Molecular weight:414.71 g/molDecapreno-b-carotene
CAS:<p>Decapreno-b-carotene is a carotenoid extracted from the oil of the seeds of the plant, Schizochytrium limacinum. This product has been shown to be an effective antioxidant that can protect cells against oxidative damage. The high-performance liquid chromatography technique was used for quantification and separation. The extract was then injected onto a high performance liquid chromatograph, which separates it according to its chemical properties. Decapreno-b-carotene is found in almost all organisms and is a precursor for vitamin A production in animals.</p>Formula:C50H68Purity:Min. 95%Color and Shape:SolidMolecular weight:669.07 g/mol5'-Amino-5'-deoxy-2',3'-O-(1-methylethylidene)-adenosine
CAS:<p>Please enquire for more information about 5'-Amino-5'-deoxy-2',3'-O-(1-methylethylidene)-adenosine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C13H18N6O3Purity:Min. 95%Molecular weight:306.32 g/molCholesterol Hexyl Carbonate
CAS:Controlled Product<p>Cholesterol Hexyl Carbonate (C6HC) is a chiral organic compound with a unique conformation that enhances its adsorbing properties. C6HC is synthesized by reacting cholesterol with hexanoyl chloride in the presence of strong base and an inert solvent. The structural formula of this compound is shown in Figure 1.</p>Purity:Min. 95%(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/molPregna-1,4,9(11),16-tetraene-3,20-dione
CAS:Controlled Product<p>Pregna-1,4,9(11),16-tetraene-3,20-dione is a controlled product that is widely used in the industrial sector. It is a phosphoric compound that has various applications. This chemical compound acts as a chemokine and contains active agents such as tryptamine and aldehyde monophosphate. Pregna-1,4,9(11),16-tetraene-3,20-dione is also known to be a mouse metabolite and has been found to have properties similar to naphthalene and phenylethylamine. With its acidic nature and oxygen-containing structure, this compound can be easily purified through recrystallization. It exists in different tautomeric forms, making it highly versatile for various applications in different industries.</p>Formula:C21H24O2Purity:Min. 95%Molecular weight:308.41 g/mol3-(4-Chlorophenyl)glutaric acid
CAS:<p>3-(4-Chlorophenyl)glutaric acid is a subunit of lanthanide complexes. It has been synthesized from cinchona alkaloids and single-crystal x-ray diffraction data obtained in the absence of ligands. 3-(4-Chlorophenyl)glutaric acid is a desymmetrization reagent and has been shown to be an effective ligand for lanthanide complexes. This compound has the potential to form impurities during the synthesis process, which can lead to morphological changes, luminescence, or high-performance liquid chromatography interference.</p>Formula:C11H11ClO4Purity:Min. 95%Molecular weight:242.66 g/mol4b-Hydroxy cholesterol
CAS:Controlled Product<p>4b-Hydroxy cholesterol is a sterol that is found in human serum and rat liver microsomes. It has been shown to be a potent inducer of CYP3A4, which is an important enzyme in the metabolism of many drugs. 4b-Hydroxy cholesterol has also been shown to induce transcriptional regulation by binding to the sterol regulatory element binding protein (SREBP) and activating it. This activation results in the increased production of cholesterol and other sterols by upregulating transcription of genes that are involved in cholesterol synthesis. 4b-Hydoxy cholesterol has been shown to have anti-inflammatory properties due to its inhibition of triclosan and clinical studies show that it can reduce serum levels of total cholesterol and low density lipoprotein (LDL) cholesterol in women.</p>Formula:C27H46O2Purity:Min. 95%Molecular weight:402.65 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/mol
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