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CAS号: 75883-07-7 英文名称: BETAMETHASONE 21-PROPIONATE 英文同义词: BETAMETHASONE 21-PROPIONATE;Clobetasol Propionate EP IMP K;9-Fluoro-11beta,17-dihydroxy-16beta;Clobetasol Propionate EP Impurity K;Betamethasone Dipropionate EP Impurity C;Clobetasol Propionate Impurity 11(Clobetasol Propionate EP Impurity K);Betamethasone Dipropionate Impurity 3（Betamethasone Dipropionate EP Impurity C）;(11β,16β)-9-Fluoro-11,17-dihydroxy-16-Methyl-21-(1-oxopropoxy)pregna-1,4-diene-3,20-dione;Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17-dihydroxy-16-methyl-21-(1-oxopropoxy)-, (11β,16β)-;Clobetasol Propionate EP Impurity K/Betamethasone Dipropionate EP Impurity C/Betamethasone 21-Propionate/(11β,16β)-9-Fluoro-11,17-dihydroxy-16-methyl-21-(1-oxopropoxy)pregna-1,4-diene-3,20-dione 中文名称: 丙酸氯倍他索EP杂质K 中文同义词: 21-丙酸倍他米松;倍他米松 21-丙酸酯;丙酸氯倍他索EP杂质K;倍他米松-21-丙酸盐;倍他米松二丙酸EP杂质C;倍他米松二丙酸酯杂质C(EP);丙酸氯贝他索杂质K(EP)/倍他米松戊酸酯杂质C(EP)/倍他米松二丙酸酯杂质C(EP) 标准品 分子式: C25H33FO6 分子量: 448.52 熔点 : 223-226?C 沸点 : 588.7±50.0 °C(Predicted) 密度 : 1.28±0.1 g/cm3(Predicted) 储存条件 : Refrigerator 酸度系数(pKa): 11.97±0.70(Predicted) 海关编码 : 2937220000