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CAS号: 24683-25-8 英文名称: Despyridyl Piroxicam (Piroxicam Impurity C) 英文同义词: PiroxicaM IMpurity C;Meloxicam Impurity 14;4-Hydroxy-2-methyl-2H-1,2-benzothia;Despyridyl Piroxicam (Piroxicam Impurity C);4-Hydroxy-2-Methyl-2H-1,2-benzothiazine-3-carboxaMide 1,1-Dioxide;2H-1,2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-, 1,1-dioxide;4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide;Imp. C (EP):4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide1,1-Dioxide 中文名称: 吡罗昔康杂质C 中文同义词: 吡罗昔康杂质C;美洛昔康杂质14;吡罗昔康杂质C(EP) 标准品;4-羟基-2-甲基-2H-1,2-苯并噻嗪-3-甲酰胺 1,1-二氧化物;4-羟基-2-甲基-2H-苯并[E][1,2]噻嗪-3-甲酰胺1,1-二氧化物 分子式: C10H10N2O4S 分子量: 254.26 沸点 : 517.9±60.0 °C(Predicted) 密度 : 1.603±0.06 g/cm3(Predicted) 酸度系数(pKa): 4.50±1.00(Predicted)