21881-78-7

• 常用中文名：1,4-二氢-2,6-二甲基-4-(3-硝基苯基)-3,5-吡啶二甲酸二异丙酯
• 常用英文名：1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid bis(1-methylethyl) ester
• CAS号：21881-78-7
• 分子式：C₂₁H₂₆N₂O₆
• 分子量：402.44100
• 发布时间：2017-10-15 21:43:40
• 更新时间：2026-09-14 10:56:25

名称

• 中文名: 1,4-二氢-2,6-二甲基-4-(3-硝基苯基)-3,5-吡啶二甲酸二异丙酯
• 英文名: 3,5-diisopropyl 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylate
• 中文别名: 尼莫地平杂质B/BP); 尼莫地平杂质B; 尼莫地平杂质B(尼群地平杂质1224); 尼群地平杂质; 2,6-二甲基-4-(3-硝基苯基)-1,4-二氢吡啶-3,5-二甲酸二异丙酯 (尼莫地平杂质); 尼莫地平杂质B 标准品; 尼莫地平杂质B对照品; 2,6-二甲基-4-(3-硝基苯基)-1,4-二氢吡啶-3,5-二甲酸二异丙酯; 尼莫地平杂质2; 尼莫地平杂质II; 3,5-双(1-甲基乙基)1,4-二氢-2,6-二甲基-4-(3-硝基苯基)-3,5-吡啶二羧酸盐; 尼伐地平杂质4; 尼莫地平杂质02; 尼莫地平B; 尼群地平杂质8
• 英文别名: Bis(1-methylethyl) 2,6-Dimethyl-4-(; Diisopropyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicboxylate (Nimodipine Impurity); diisopropyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicboxylate; diisopropyl 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylate; 3-Des(2-methoxyethyl) 3-(1-Methylethyl) Ester Nimodipine; Bis(1-methylethyl) 2,6-Dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicboxylate; 3,5-diisopropyl 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicboxylate; Nimodipine Impurity B; Nilvadipine Impurity 4; methylethyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate; 3,5-Pyridinedicboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, 3,5-bis(1-methylethyl) ester; 1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicboxylic acid bis(1-methylethyl) ester; Nitrendipine Impurity 8; Nimodipine Impurity B Control; Nimodipine Impurity 2; Nitrendipine Impurity1224; Nimodipine Imp B; (RS)-Di-iso-propyl-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicboxylate; Nimodipine Impurity B(Nitrendipine Impurity1224); Nilvadipine Impurity D; 4-(3-nitrophenyl)-2,6-dimethyl-3,5-diisopropyloxycarbonyl-1,4-dihydropyridine; 2,6-dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid diisopropyl ester

物化性质

• 密度: 1.186±0.06 g/cm3
• 熔点: 123-125 ºC (ethanol )
• 分子式: C₂₁H₂₆N₂O₆
• 分子量: 402.44100
• 精确质量: 402.17900
• PSA: 110.45000
• LogP: 4.58480
• 水溶解性: Insuluble (1.7E-3 g/L) (25 ºC)