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beta-Sitosterol Basic information Product Name: beta-Sitosterol Synonyms: B-SITOSTEROL;5-STIGMASTEN-3BETA-OL;22,23-DIHYDROSTIMASTEROL;22,23-DIHYDROSTIGMASTEROL;24-ALPHA-ETHYLCHOLESTEROL;24BETA-ETHYLCHOLESTEROL;5-CHOLESTEN-24-BETA-ETHYL-3-BETA-OL;(3)-BETA-SITOSTEROL(2) CAS: 83-46-5 MF: C29H50O MW: 414.72 EINECS: 201-480-6 Product Categories: Inhibitors;Herb extract;chemical reagent;pharmaceutical intermediate;phytochemical;reference standards from Chinese medicinal herbs (TCM).;Miscellaneous Natural Products;Biochemistry;Hydroxy;;Natural Plant Extract;Intermediates & Fine Chemicals;Pharmaceuticals;standardized herbal extract Mol File: 83-46-5.mol   beta-Sitosterol Chemical Properties Melting point 136-140 °C(lit.) alpha -28 º (c=2, CHCl3) Boiling point 473.52°C (rough estimate) density 0.9540 (rough estimate) refractive index 1.5000 (estimate) storage temp. −20°C solubility chloroform: 20 mg/mL, clear, colorless pka 15.03±0.70(Predicted) form White solid Water Solubility INSOLUBLE Merck 14,8556 BRN 1916165 InChIKey KZJWDPNRJALLNS-VJSFXXLFSA-N CAS DataBase Reference 83-46-5(CAS DataBase Reference) NIST Chemistry Reference «beta»-Sitosterol(83-46-5) EPA Substance Registry System .beta.-Sitosterol (83-46-5)   Safety Information Hazard Codes Xn,Xi Risk Statements 22-38-40-48/20/22-36/37/38-67-36/38-20-63 Safety Statements 22-24/25-36-26-36/37 RIDADR UN 1888 6.1/PG 3 WGK Germany 3 RTECS WJ2600000 F 10 HS Code 29061990 MSDS Information Provider Language ACROS English SigmaAldrich English   beta-Sitosterol Usage And Synthesis Chemical Properties White powder Uses A common sterol in plants. Isolated from wheat germ oil, corn oil. Antilipemic. Used in the treatment of prostatic adenoma. Uses antiinflammatory, immunomodulator Definition ChEBI: A phytosterols that is stigmast-5-ene substituted by a beta-hydroxy group at position 3. Definition A steroid with long aliphatic side chains (8–10 carbons) and at least one hydroxyl group. They are lipidsoluble and often occur in membranes. Examples are cholesterol and ergosterol. Definition sterol: Any of a group of steroidbasedalcohols having a hydrocarbonside-chain of 8–10 carbon atoms.Sterols exist either as free sterols oras esters of fatty acids. Animal sterols(zoosterols) include cholesterol andlanosterol. The major plant sterol(phytosterol) is beta-sitosterol, whilefungal sterols (mycosterols) includeergosterol. Purification Methods Crystallise -sitosterol from EtOH, MeOH, Me2CO, Me2CO/EtOH or Me2CO/MeOH. It has also been purified by zone melting. The acetate crystallises from MeOH or EtOH as plates with m 127128o and [] D 20 -41o (c 2, CHCl3). The benzoate crystallises from EtOH as needles with m 146-147o and [] D 20 –13.8o (c 2, CHCl3). [Fujimoto & Jacobson J Org Chem 29 3377, 3381 1964, Shoppee J Chem Soc 10431948, Heilbron et al. J Chem Soc 344, 347 1941, Beilstein 6 III 2696.]   beta-Sitosterol Preparation Products And Raw materials Raw materials RICE BRAN OIL-->1-(2,5-dichlorophenyl)-3-pivaloyamido-4-(2-butyloxy-5-tertoctyl phenyl)mercapto-5-phrazolone-->Enamel reaction vessel-->ELEUTHEROSIDE A Preparation Products Pregnenolone