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CAS号: 139756-22-2 英文名称: 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 英文同义词: Sildenafil Impurity 7;Methisosildenafil-004;Sildenafil　intermediate;Methisosildenafil Impurity 33;Sildenafil Chlorosulfone IMpurity;Sildenafil Chlorosulfonyl IMpurity;5-(5-CHLORO SULFONYL-2-ETHOXY PHENYL)-1-;4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro;5-(5-CHLOROSULFONYL-2-ETHOXY PHENYL)-1-METHYL-3-N-PROPYL-1;3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1 H-pyrazolo-(4-3-d)-pyrimidine-5 中文名称: 3-(6,7-二氢-1-甲基-7-氧代-3-丙基-1H-吡唑O-(4-3-D)-嘧啶-5 中文同义词: 西他那非碱;西地那非磺酰氯;西地那非杂质7;氯磺酰西地那非;西地那非氯磺砜杂质;西地那非磺酰氯杂质;西地那非磺酰氯中间体;艾地那非标准品004;西地那非氯磺酸盐杂质;3-(6,7-二氢-1-甲基-7-氧代-3-丙基-1H-吡唑O-(4-3-D)-嘧啶-5 分子式: C17H19ClN4O4S 分子量: 410.88 熔点 : 180-182°C 密度 : 1.48±0.1 g/cm3(Predicted) 储存条件 : -20°C Freezer, Under Inert Atmosphere 酸度系数(pKa): 9.87±0.20(Predicted) CAS 数据库: 139756-22-2