倍他米松杂质
倍他米松17-乙酸酯
Betamethasone Impurity
[(8S,10S,11S,13S,14S,16S,17R)-9-fluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]acetate;Pregna-1,4-diene-3,20-dione,17-(acetyloxy)-9-fluoro-11,21-dihydroxy-16-methyl-,(11β,16β)-
5534-12-3
C24H31FO6
434.4977432
1.30±0.1 g/cm3(Predicted)
240-241 °C
569.8±50.0 °C(Predicted)
可溶于氯仿（轻微）、甲醇（轻微、超声处理）
