中文名 | 9Α-溴-16Β-甲基孕甾-1,4-二烯-11Β,17Α,21-三醇-3,20-二酮-21-醋酸酯 |
英文名 | 9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate |
别名 | 倍他米松杂质20 9Α-溴-16Β-甲基孕甾-1,4-二烯-11Β,17Α,21-三醇-3,20-二酮-21-醋酸酯 |
英文别名 | Betamethasone Impurity 20 21-Acetoxy-9α-Bromo-11β,17α-dihydroxy-16β-methyl-pregna-1.4-dien-3.20-dion 9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate 9-Bromo-11β,17,21-trihydroxy-16β-methyl-pregna-1,4-diene-3,20-dione 21-Acetate Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9-bromo-11,17-dihydroxy-16-methyl-, (11β,16β)- (9CI) |
CAS | 4735-65-3 |
化学式 | C24H31BrO6 |
分子量 | 495.41 |
密度 | 1.44±0.1 g/cm3(Predicted) |
熔点 | 140-142 °C (decomp)(Solv: acetone (67-64-1); ethyl ether (60-29-7)) |
沸点 | 619.1±55.0 °C(Predicted) |
酸度系数 | 12.12±0.70(Predicted) |
物化性质 | 结晶。 |
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