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CAS号: 165739-83-3 英文名称: 4-chloro-loratadine 英文同义词: 4-chloro-loratadine;Loratadine EP IMpurity C;Ethyl 4-(4,8-Dichloro-5,6-dihydro-1;Loratadine EP Impurity C ( USP RC G );Loratadine Impurity 2/Loratadine EP Impurity C;Loratadine Impurity 3(Loratadine EP Impurity C);4,8-Dichloro-6,11-dihydro-11-[N-ethoxy carbonyl-4-piperidylidene]-5H-benzo[5,6] cyclohepta[1,2-b]pyridine;4-(4,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylic Acid Ethyl Ester;Imp. C (EP): Ethyl4-(4,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate;1-Piperidinecarboxylic acid, 4- (4,8-dichloro-5,6-dihydro-11H- benzo[5,6]cyclohepta[1,2-b] pyridin-11-ylidene)-, ethyl ester 中文名称: 氯雷他定杂质C 中文同义词: 4-氯氯雷他定;氯雷他定EP杂质C;氯雷他定杂质C(EP);氯雷他定杂质C(EP) 标准品 分子式: C22H22Cl2N2O2 分子量: 417.33 沸点 : 553.2±50.0 °C(Predicted) 密度 : 1.322±0.06 g/cm3(Predicted) 酸度系数(pKa): 2.83±0.20(Predicted)