3949-26-6

CAS号: 3949-26-6 英文名称: 9-Fluoro-11beta,17,21-trihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione 11,21-diacetate 英文同义词: Dexamethasone Impurity 6;Dexamethasone Acetate Impurity I;Dexamethasone Acetate EP Impurity I;Dexamethasone Acetate Impurity 9（Dexamethasone Acetate EP Impurity I）;9-Fluoro-11beta,17,21-trihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione 11,21-diacetate;Pregna-1,4-diene-3,20-dione, 11,21-bis(acetyloxy)-9-fluoro-17-hydroxy-16-methyl-, (11β,16α)- (9CI);Dexamethasone impurity 9/Dexamethasone Acetate EP Impurity I/Dexamethasone 11,21-diacetate/9-fluoro-17-hydroxy-16α-methyl-3,20-dioxopregna- 1,4-diene-11β,21-diyl diacetate;2-((8S,9R,10S,11S,13S,14S,16R,17R)-11-acetoxy-9-fluoro-17-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate 中文名称: 9-氟-11BETA,17,21-三羟基-16ALPHA-甲基孕甾-1,4-二烯-3,20-二酮 11,21-二乙酸酯 中文同义词: 地塞米松杂质6;地塞米松杂质32;醋酸地塞米松杂质I;醋酸地塞米松EP杂质I;醋酸地塞米松杂质I(EP);地塞米松 11,21-二醋酸酯;9-氟-11BETA,17,21-三羟基-16ALPHA-甲基孕甾-1,4-二烯-3,20-二酮 11,21-二乙酸酯 分子式: C26H33FO7 分子量: 476.53 熔点 : 257-264 °C 沸点 : 583.4±50.0 °C(Predicted) 密度 : 1.28±0.1 g/cm3(Predicted) 酸度系数(pKa): 11.98±0.70(Predicted)