Post

CAS号: 139756-03-9 英文名称: 4-(2-Ethoxy benzamido)-1-methyl-3-n-propyl pyrazole-5-carboxamide. 英文同义词: Sildenafil Di-AMide IMpurity;Sildenafil CarboxaMide IMpurity;4-[(2-Ethoxybenzoyl)aMino]-1-Methyl-3-propyl-;4-(2-Ethoxybenzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide;4-[(2-ethoxybenzoyl)amino]-2-methyl-5-propylpyrazole-3-carboxamide;4-(2-Ethoxy benzamido)-1-methyl-3-n-propyl pyrazole-5-carboxamide.;1H-Pyrazole-5-carboxamide, 4-[(2-ethoxybenzoyl)amino]-1-methyl-3-propyl-;Sildenafil Impurity 28/Sildenafil Di-Amide Impurity/4-(2-Ethoxybenzamido)-1-methyl-3-n-propylpyrazole-5-carboxamide 中文名称: 西地那非酰胺杂质 中文同义词: 西地那非酰胺中间体;西地那非双氨基杂质;西地那非双酰胺杂质;4-(2-乙氧基苯酰胺)-1-甲基-3-丙基吡唑-5-酰胺;4-(2-乙氧基苯甲酰胺基)-1-甲基-3-N-丙基吡唑-5-甲酰胺 分子式: C17H22N4O3 分子量: 330.38 熔点 : 153-155 °C 沸点 : 445.5±45.0 °C(Predicted) 密度 : 1.24±0.1 g/cm3(Predicted) 酸度系数(pKa): 12.65±0.70(Predicted)