CAS号: 182009-04-7 英文名称: PeMetrexed EP IMpurity E 英文同义词: Pemetrexed EP Imp E;Pemetrexed Impurity 10;Pemetrexed BP Impurity E;PeMetrexed EP IMpurity E;D-Glutamic acid, N-[4-[2-(2-amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-;(R)-2-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioic acid;Pemetrexed impurity 4/Pemetrexed EP Impurity E/(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoyl)-D-glutamic acid 中文名称: 培美曲塞杂质E 中文同义词: 培美曲塞杂质E;培美曲塞BP杂质E;培美曲塞EP杂质E;培美曲塞二钠EP杂质E(游离酸) 分子式: C20H21N5O6 分子量: 427.41 密度 : 1.59±0.1 g/cm3(Predicted) 酸度系数(pKa): 3.58±0.10(Predicted)