| 中文名 | 左旋氧氟沙星羧酸 | | 中文同义 | (S)-9,10-二氟-2,3-二氢-3-甲基-7-氧代-(3S)-7H-吡啶并[1,2,3-de]-1,4-苯并嗪-6-羧酸;左氧氟沙星二氟羧酸;左氧氟羧酸;左旋氧氟沙星羧酸;左氧氟沙星Q-酸;左旋氧氟沙星羧酸, 97+%;左氟羧酸(左旋氧氟沙星羧酸);左氧氟沙星相关化合物B | | 英文名 | Levofloxacin carboxylic acid | | 英文同义 | Levefluorocarboxylic Acid;Levofloxacin Related Compound B (35 mg) ((S)-9,10,difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid);Levo Q Acid(oxa-2,3 dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid;7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicacid,9,10-difluoro-2,3-dihydro-3-Methyl-7-oxo-,(3S)-;(S)-(-)-9,10-Difluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 97+%;(3S)-9,10-Difluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid;(S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxadine-6-carboxylic Acid;Levofloxacin USP Related CoMpound B (EP IMpC) | | CAS | 100986-89-8 | | 分子式 | C13H9F2NO4 | | 分子量 | 281.21 | | EINECS | 1533716-785-6 | | 结构式 |  | 性质 | | 熔点 | >300 °C(lit.)
| | 沸点 | 459.2±45.0 °C(Predicted) | | 密度 | 1.61±0.1 g/cm3(Predicted) | | 储存条件 | Refrigerator | | 酸度系数(pKa) | 4.87±0.40(Predicted) | | 形态 | neat | | 旋光性 (optical activity) | [α]20/D -64°, c = 1% in DMSO |
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