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CAS号: 103335-41-7 英文名称: METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE 英文同义词: Finasteride EP Impurity B;Finasteride impurity B (EP);(4aR,4bS,6aS,7S,9aS,9bS,11aR);Finasteride Methyl Ester Analog;Dutasteride Methyl Ester Impurity;Methyl 3-Oxo-4-aza-5alpha-androst-1;Finasteride Impurity 2（Finasteride EP Impurity B）;Finasteride Impurity B (Dutasteride Ester Impurity);methyl 3-oxo-4-aza-5α-androst-1-ene-17β-carboxylate;Dutasteride Ester Impurity (Finasteride EP Impurity B) 中文名称: 非那雄胺中间体 中文同义词: M4甲酯;菲那雄胺杂质;非那雄胺杂质3;度他雄胺M4甲酯;非那雄胺甲酯类似物;非那雄胺EP杂质B;非那雄胺杂质EP B;非那雄胺杂质B(EP);非那雄胺杂质B(EP) 标准品;非那雄胺相关化合物D(USP) 分子式: C20H29NO3 分子量: 331.45 熔点 : 280-282°C (dec.) 沸点 : 478.6±45.0 °C(Predicted) 密度 : 1.113±0.06 g/cm3(Predicted) 储存条件 : Refrigerator 酸度系数(pKa): 14.15±0.70(Predicted)