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CAS号：15423-80-0
英文名称：Betamethasone 17-Propionate 21-Mesylate
英文同义词：Clobetasol Propionate EP IMP I;Clobetasol Propionate EP Impurity I;BetaMethasone 17-Propionate 21-Mesylate;Clobetasol Propionate Impurity 9(Clobetasol Propionate EP Impurity I);Clobetasol Propionate Impurity-I (EP) (Betamethasone 17-Propionate 21-Mesylate);9-Fluoro-11β,17,21-trihydroxy-16β-Methylpregna-1,4-diene-3,20-dione 21-Methanesulfonate 17-Propionate;9-Fluoro-11β,17,21-trihydroxy-16β-Methylpregna-1,4-diene-3,20-dione 21-Methanesulfonate 17-Propionate;(11β,16β)-9-Fluoro-11-hydroxy-16-Methyl-21-[(Methylsulfonyl)oxy]-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione;Pregna-1,4-diene-3,20-dione, 9-fluoro-11-hydroxy-16-methyl-21-[(methylsulfonyl)oxy]-17-(1-oxopropoxy)-, (11β,16β)-;[(8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11-hydroxy-10,13,16-trimethyl-17-(2-methylsulfonyloxyacetyl)-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl] propanoate
中文名称：丙酸氯倍他索EP杂质I
中文同义词：丙酸氯倍他索杂质I;丙酸氯倍他索EP杂质I;倍他米松17-丙酸酯21-甲磺酸酯
分子式：C26H35FO8S
分子量：526.61
熔点：177-179 °C(Solv： water (7732-18-5); ethanol (64-17-5))
沸点：659.2±55.0 °C(Predicted)
密度：1.33±0.1 g/cm3(Predicted)
酸度系数(pKa)：12.87±0.70(Predicted)