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CAS号: 129025-54-3 英文名称: 2-(4-chlorophenyl)-3-ethyl-5-oxo-pyridazine-4-carboxylic acid 英文同义词: Clofencet Standard;2-(4-chlorophenyl)-3-ethyl-5-oxo-pyridazine-4-carboxylic acid;1-(4-chlorophenyl)-1,4-dihydro-6-ethyl-4-oxopyridazine-5-carboxylic acid;2-(4-Chlorophenyl)-3-ethyl-5-oxo-2,5-dihydropyridazine-4-carboxylic acid;2-(4-Chlorophenyl)-3-ethyl-2,5-dihydro-5-oxo-4-pyridizinecarboxylic acid;4-Pyridazinecarboxylic acid, 2-(4-chlorophenyl)-3-ethyl-2,5-dihydro-5-oxo- 中文名称: 苯哒嗪酸标准品 中文同义词: 苯哒嗪酸标准品;2-(4-氯苯基)-3-乙基-5-氧代哒嗪-4-羧酸 分子式: C13H11ClN2O3 分子量: 278.69 熔点 : 269° (dec) 沸点 : 443.4±55.0 °C(Predicted) 密度 : d20 1.44 酸度系数(pKa): 2.83 (20°) EPA化学物质信息: Clofencet (129025-54-3) 毒性: LD50 in rats (mg/kg/day): 3306 orally; >5000 dermally (U.S. EPA)