CAS号: 19914-67-1 英文名称: 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one 英文同义词: Levonorgestrel EP IMP B;EP Levonorgestrel Impurity B;Levonorgestrel EP impurity B;13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one;13-Ethyl-17α-ethynyl-17-hydroxygon-5(10)-en-3-one;17-Ethinyl-17-hydroxy-18-methylestr-5(10)-en-3-one;Levonorgestrel Impurity 2（Levonorgestrel EP Impurity B）;13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one;13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one;(17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one 中文名称: 13-乙基-17Β-羟基-18,19-二去甲孕甾-5(10)-烯-20-炔-3-酮 17Α-乙炔基-17Β-羟基-18-甲基雌甾-5(10)-烯-3-酮 中文同义词: 左炔诺孕酮EP杂质B;左炔诺孕酮杂质B(EP);17Α-乙炔基-18-甲基雌甾-5(10)-烯-17Β-醇-3-酮;13-乙基-17Β-羟基-18,19-二去甲孕甾-5(10)-烯-20-炔-3-酮 17Α-乙炔基-17Β-羟基-18-甲基雌甾-5(10)-烯-3-酮 分子式: C21H28O2 分子量: 312.45 熔点 : 169-171?C 沸点 : 454.0±45.0 °C(Predicted) 密度 : 1.14±0.1 g/cm3(Predicted) 储存条件 : Refrigerator 形态: neat 酸度系数(pKa): 13.10±0.40(Predicted)
5:16:28 AM · Jan 10, 2021
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