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CAS号:106939-30-4
英文名称:(3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (Levofloxacin IMpurity)
英文同义词:UING 4-257;N-Ethyl Levofloxacin;Levofloacin Impurity R;Levofloxacin impurity R;(S)-10-(4-ethylpiperazin-1-yl)-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid;(3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-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, 10-(4-ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-, (3S)-;(3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (Levofloxacin IMpurity);Levofloxacin?impurity?18/N-Ethyl?Levofloxacin/(3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic?Acid
中文名称:左氧氟沙星杂质R
中文同义词:左氧氟沙星杂质R;(3S)-10-(4-乙基-1-哌嗪基)-9-氟-2,3-二氢-3-甲基-7-氧代-7H-吡啶并[1,2,3-DE]-1,4-苯并恶嗪-6-羧酸
分子式:C19H22FN3O4
分子量:375.39
沸点:578.3±50.0 °C(Predicted)
密度:1.44±0.1 g/cm3(Predicted)
酸度系数(pKa):5.19±0.40(Predicted)