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CAS号: 110548-07-7 英文名称: (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid 英文同义词: LEVOFLOXACIN-12;Levofloxacin-12;Levofloacin Impurity L;(R)-Ofloxacin Carboxylic Acid;(R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid;(R)-(+)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid;7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, (3R)-;Levofloxacin impurity 14/(R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid 中文名称: 左氧氟沙星杂质L 中文同义词: 左氧氟沙星杂质L;(R)-氧氟沙星羧酸 分子式: C13H9F2NO4 分子量: 281.21 沸点 : 459.2±45.0 °C(Predicted) 密度 : 1.61±0.1 g/cm3(Predicted) 酸度系数(pKa): 4.87±0.40(Predicted)