Étalons pharmaceutiques
Sous-catégories appartenant à la catégorie "Étalons pharmaceutiques"
- APIs pour la recherche et les impuretés(275.170 produits)
- Activateurs et inhibiteurs d'enzymes(2.827 produits)
- Nitrosamines(2.606 produits)
- Composés et métabolites pharmaceutiques et vétérinaires(2.891 produits)
- Toxicologie(13.643 produits)
7842 produits trouvés pour "Étalons pharmaceutiques"
rac-5,6,7,8-tetrahydro-6-(propylamino)-1-naphthalenol
CAS :Produit contrôléRotigotine is a substance that belongs to the class of active compounds. It has been shown to have optical activity, but this property is not well understood. Rotigotine is a racemic mixture with two enantiomers, which are mirror images of each other. The optical rotation of rac-5,6,7,8-tetrahydro-6-(propylamino)-1-naphthalenol is given as +28°. This property can be determined by measuring the angle of rotation when light passes through the substance in solution in contact with a polarizer and analyzer.Formule :C13H19NODegré de pureté :Min. 95%Masse moléculaire :205.3 g/mol5a-Pregnane-3a,20a-diol
CAS :Produit contrôlé5a-Pregnane-3a,20a-diol is a gamma-aminobutyric acid (GABA) analogue that is used in the treatment of women with variegated hyperpigmentation. It has inhibitory properties on mutant enzymes such as disulfate reductase and other enzymes involved in the synthesis of prostaglandins. The drug binds to the enzyme GABA transaminase and this binding prevents the formation of GABA from glutamate. 5a-Pregnane-3a,20a-diol also inhibits the synthesis of prostaglandin E2 by binding to cyclooxygenase 2, leading to decreased inflammation and pain. 5a-Pregnane-3a,20a-diol is metabolized by glucuronidation or sulfation and excreted into bile or urine. This drug can also be hydrolyzed by dehydrogenases or other enzymes such as esterases.Formule :C21H36O2Degré de pureté :Min. 95%Masse moléculaire :320.51 g/mol3,5,3',5' -Tetraiodo thyromandelic acid
CAS :Please enquire for more information about 3,5,3',5' -Tetraiodo thyromandelic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formule :C14H8I4O5Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :763.83 g/molCholesterol Heptanoate
CAS :Produit contrôléCholesterol Heptanoate is a liquid crystal composition that is used to coat tablets. It is also used for the diagnosis of fatty acid metabolism and atherosclerotic lesion formation by measuring the fatty acid composition of body tissues. Cholesterol Heptanoate can be used to form polymeric matrices for use in drug delivery systems. These matrices are composed of ionizable, film-forming polymers with excipients that have phase transition temperatures near 37°C.Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :498.82 g/molTetramethylurea
CAS :Tetramethylurea is a versatile compound that has various applications in different fields. It is commonly used as a monophosphate donor in biochemical reactions and as a reagent for the synthesis of L-sorbose and histidine. In addition, tetramethylurea is employed in the production of herbicides, as well as in the synthesis of zirconium oxide nanoparticles.
Formule :C5H12N2ODegré de pureté :Min. 95%Masse moléculaire :116.16 g/molDL-Aspartic acid dimethyl ester hydrochloride
CAS :Please enquire for more information about DL-Aspartic acid dimethyl ester hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormule :C6H11NO4·HClDegré de pureté :Min. 95%Couleur et forme :White PowderMasse moléculaire :197.62 g/mol5alpha-Pregnan-20beta-Ol-3-one
CAS :Produit contrôléPlease enquire for more information about 5alpha-Pregnan-20beta-Ol-3-one including the price, delivery time and more detailed product information at the technical inquiry form on this page
Degré de pureté :Min. 95%2,3-Dichloro-5-nitropyridine
CAS :2,3-Dichloro-5-nitropyridine (2,3-DNP) is an antidiabetic drug that has been shown to improve insulin sensitivity in animals. It is a sample preparation reagent that can be used to validate the use of γ-aminobutyric acid (GABA) as a linker for the immobilization of proteins on solid supports. 2,3-DNP is also used as an adipose tissue marker to study obesity and insulin resistance. This drug has been shown to increase choline levels in the liver by inhibiting its export and increasing its synthesis by phosphorylation of serine hydroxymethyltransferase. 2,3-DNP also increases fatty acid synthesis by activating acetyl coenzyme A carboxylase and inhibiting carnitine palmitoyl transferase I. 2,3-DNP has also been shown to decrease food intake and body weight gain in db/db miceFormule :C5H2Cl2N2O2Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :192.99 g/molEstrone 3-valerate
CAS :Produit contrôléPlease enquire for more information about Estrone 3-valerate including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormule :C23H30O3Degré de pureté :Min. 95%Masse moléculaire :354.48 g/mol4'-Chloroacetophenone
CAS :4'-Chloroacetophenone is a chemical substance that is used in the synthesis of other substances. It has been shown to be an effective tool for cell-specific reactions, such as methyl ketones and benzaldehyde. 4'-Chloroacetophenone reacts with hydrochloric acid and palladium complexes to produce electron reduction, which leads to the activation of methyl ketones. This reaction provides a method for synthesizing molecules with a carbonyl group. The isolated yield of this reaction is dependent on the reaction solution temperature and concentration. The mechanism of this reaction appears to be Suzuki coupling reaction.Formule :C8H7ClODegré de pureté :Min. 95%Couleur et forme :Clear Colourless To Pale Yellow LiquidMasse moléculaire :154.59 g/mol5,5'-Thiodisalicylic Acid
CAS :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.
Degré de pureté :Min. 95%2-(4-Bromophenyl)-2,2'-dimethylacetic acid
CAS :2-Bromo-2-(4-bromophenyl)-2,2'-dimethylacetic acid (2bpd) is the sodium salt of 2-(4-bromophenyl)-2,2'-dimethylacetic acid. It is a metabolite of terfenadine and thionyl chloride. 2bpd has been shown to be an inhibitor of the histamine H1 receptor. This drug is also a brominated derivative of 2-amino-2-methyl-1-propanol, which has been shown to be an inhibitor of the histamine H1 receptor.Formule :C10H11BrO2Degré de pureté :Min. 95%Masse moléculaire :243.1 g/molCholesterol Hydrocinnamate
CAS :Produit contrôléCholesterol 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.Degré de pureté :Min. 95%Roxithromycin EP Impurity C
CAS :Roxithromycin EP Impurity C is a byproduct of the synthesis of erythromycin. It has been shown to have anti-inflammatory activity in liver cells, and has been used as a model for studying the mechanism of action of erythromycin. The reaction solution contains inorganic acid and nitrogen atoms. Roxithromycin EP Impurity C reacts with erythromycin to form an intermediate that then undergoes a series of reactions, including hydroxylation, oxidation, and decarboxylation. The purified product is made up of carbonyl groups and transcriptional regulation. This impurity can also be found in cell nuclei.
Formule :C37H68N2O13Degré de pureté :Min. 95%Masse moléculaire :748.94 g/molCholesterol Valerate
CAS :Produit contrôléCholesterol Valerate is a fatty acid that has been used in the diagnosis of fatty acids. It can be obtained by synthesizing it from cholesterol and valeric anhydride. The carboxylic acid group in the molecule is responsible for its lipophilic properties, which allow it to dissolve in fats and oils. Cholesterol Valerate has a phase transition temperature of about -5 degrees Celsius, making it liquid at room temperature. This compound has been used as an excipient in pharmaceutical compositions, such as lipid emulsions and topical formulations to increase solubility. The termini of the molecule consist of hydroxyl groups that are susceptible to oxidation, making this compound unstable when exposed to air or sunlight.Degré de pureté :Min. 95%b-Sitosterol - 40%
CAS :Produit contrôléb-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.
Formule :C29H50ODegré de pureté :Min. 95%Masse moléculaire :414.71 g/mol2,6-Dibromoanthracene
CAS :2,6-Dibromoanthracene is an aromatic hydrocarbon that can be synthesized in a cross-coupling reaction. It has been shown to have a high electron mobility and good thermal stability. The compound was prepared by the Suzuki coupling reaction of 2,6-dibromobenzene with phenylboronic acid. This product has no commercial use but has been tested for its transport properties and has been found to be activated by heat.
Degré de pureté :Min. 95%O-tert-Butyl-L-threonine tert-butyl ester
CAS :O-tert-Butyl-L-threonine tert-butyl ester is a bactericidal antibiotic that belongs to the class of galacturonic acid. It inhibits bacterial growth by binding to the enzyme transpeptidase, which is crucial in crosslinking peptidoglycan chains. This antibiotic has been shown to have antibacterial activity against bacteria such as Staphylococcus aureus and Streptococcus pyogenes. O-tert-Butyl-L-threonine tert-butyl ester has been used for the production of lactic acid from glucose in bioreactors. The lactic acid can be used for the production of polymers, and the fermentation process can be done using either yeast or bacteria, such as pastoris or trifluoroacetic acid. The reaction time is typically between 4 and 6 hours, at a temperature of 25 °C with an acid catalyst such as hydrochloric acidFormule :C12H25NO3Degré de pureté :Min. 98%Couleur et forme :Slightly Yellow Clear LiquidMasse moléculaire :231.33 g/molErythropoietin - lyophilized powder
CAS :Erythropoietin is a hormone that stimulates the production of red blood cells, and is used for patients with anemia. It is a recombinant human erythropoietin (rhEPO) that has been produced by genetic engineering. Erythropoietin binds to receptors on the surface of many types of cells, including those in the bone marrow. This binding stimulates the production of red blood cells from precursor cells in the bone marrow, and increases oxygen-carrying capacity in blood. The half-life of erythropoietin is approximately 36 hours. This drug also can be used to reduce high blood pressure and improve responsiveness to other drugs that are given intravenously. Erythropoietin can cause an increase in asialoglycoprotein levels in serum, which may be due to its effects on hepatocytes or erythrocytes.Degré de pureté :(Capillary Zone Electrophoresis) Min. 98.0%9-Fluoro-11b,21-dihydroxy-16a-methylpregna-1,4-diene-3,20-dione
CAS :Produit contrôlé9-Fluoro-11b,21-dihydroxy-16a-methylpregna-1,4-diene-3,20-dione is a potent antiandrogen that is used to treat alopecia areata and other skin disorders. 9-Fluoro-11b,21-dihydroxy-16a-methylpregna-1,4-diene-3,20-dione has been shown to have an inhibitory effect on the growth of skin tumors in mice. This drug also has a protective effect against chemical stability. It binds to fatty acids and epidermal growth factor (EGF), which may be related to its ability to regulate transcriptional processes and inflammatory skin diseases.Formule :C22H29FO4Degré de pureté :Min. 95%Masse moléculaire :376.46 g/mol
