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CAS号: 219719-95-6 英文名称: (6α,11β,16α,17α)-6,9-Difluoro-11-hydroxy-16-Methyl-spiro[androsta-1,4-diene-17,5'-[1,3]oxathiolane]-2',3,4'-trione 英文同义词: Fluticasone USP RC B;Fluticasone Related CoMpound B;Fluticasone USP Related Compound B;(5'R,6S,8S,9R,10S,11S,13S,14S,16R);Fluticasone Impurity 10(Fluticasone USP RC B);(6α,11β,16α,17α)-6,9-Difluoro-11-hydroxy-16-Methyl-spiro[androsta-1,4-diene-17,5'-[1,3]oxathiolane]-2',3,4'-trione;Spiro[androsta-1,4-diene-17,5'-[1,3]oxathiolane]-2',3,4'-trione, 6,9-difluoro-11-hydroxy-16-methyl-, (6α,11β,16α,17α)- (9CI);6alpha,9alpha-Difluoro-11beta-hydroxy-16alpha-methyl-2',3,4'-trioxo-17alpha-spiro(androsta-1,4-diene-17,5'-(1,3)oxathiolane);Fluticasone USP Related Compound B/Fluticasone Trioxo Impurity/6α,9α-Difluoro-11β-hydroxy-16α-methyl-2',3,4'-trioxo-17α-spiro(androsta-1,4-diene-17,5'-(1,3)oxathiolane);(5R,6'S,8'S,9'R,10'S,11'S,13'S,14'S,16'R)-6',9'-difluoro-11'-hydroxy-10',13',16'-trimethylspiro[1,3-oxathiolane-5,17'-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene]-2,3',4-trione 中文名称: 氟替卡松相关物质B 中文同义词: 氟替卡松三酮杂质;氟替卡松相关物质B;氟替卡松相关化合物B;氟替卡松USP RC B;氟替卡松USP相关物质B;丙酸氟替卡松相关化合物B;氟替卡松相关化合物B(USP);氟替卡松相关物质B,氟替卡松杂质B;(6Α,11Β,16Α,17Α)-6,9-二氟-11-羟基-16-甲基-螺[雄甾-1,4-二烯-17Β,5'-[1,3]氧硫杂环戊烷]-2',3,4'-三酮 分子式: C22H24F2O5S 分子量: 438.48 沸点 : 562.1±60.0 °C(Predicted) 密度 : 1.43±0.1 g/cm3(Predicted) 酸度系数(pKa): 12.93±0.70(Predicted)