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中文名字:拉西地平 英文名称:Lacidipine 中文别名:(E)-4-[2-[3-(1,1-二甲基乙氧基)-3-氧代-1-丙烯基]苯基]-1,4-二氢- 2,6-二甲基-3,5-哌啶二羧酸二乙酯 英文别名:3,5-pyridinedicarboxylicacid,1,4-dihydro-2,6-dimethyl-4-(2-(3- (1,1-dimethylet CAS编码:103890-78-4 分子式:C26H33NO6 分子量:455.54 结构式: 执行标准:BP2010 性状:白色或类白色结晶性粉末;在乙酸乙酯中结晶,熔点173-176°C。 含量:≥99% 产品用途:血管选择性钙拮抗剂,具有高效和长效的降压活性。用于高血压。 药理作用:为特异、强效持久的二氢吡啶类钙通道阻滞剂,主要选择性的阻滞血管 平滑肌的钙通道,扩张周围动脉,减低周围血管阻力,减低心脏后负荷,降低血 压。对血管与心脏的选择性比近100。在正常志愿者3~5mg,有剂量依赖性的外周血 管阻力下降。不影响窦房或房室传导,也不影响自律组织。 包 装:25KG硬纸板桶装,内衬两层聚乙烯薄膜。 贮 藏:远离火种、热源,密封储存,放至阴凉、干燥的环境,防潮。 Test Items Specification Test Results Appearance White or pale yellow crystalline powder White crystalline powder Solubility Practically insoluble in water ,freely soluble in acetone ,sparingly soluble in absolute ethanol Conforms Melting point about 178° 179° Identification Meet the requirements Conforms Test Items Propan-2-ol Not more than 0.5% Conforms Related Substances Impurity B Not more than 0.2% Conforms Other Single Impurity Not more than 0.2% Conforms Total Impurity Not more than 0.5% 0.3% Water Not more than 0.2% 0.03% Assay(on the dried basis) Not less than 97.5% and not more than 102.0% 100.1% |