左氧氟环合酯

• 常用名: 左氧氟环合酯
• 英文名: Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
• CAS号: 106939-34-8
• 分子量: 309.265
• 密度: 1.4±0.1 g/cm3
• 沸点: 442.2±45.0 °C at 760 mmHg
• 分子式: C₁₅H₁₃F₂NO₄
• 熔点: 258-260ºC
• 闪点: 221.2±28.7 °C

左氧氟环合酯名称

• 中文名: 左氧氟环合酯
• 英文名: ethyl (S)-(-)-9,10-Difluoro-3-Methyl-7-Oxo-2,3-Dihydro-7H-Pyrido[1,2,3-de]-[1,4]Benzoxazine-6-Carboxylate
• 中文别名: 左氧氟羧酸乙酯 | 左氧氟沙星环合酯 | (S)-9,10-二氟-3-甲基-7-氧代-2,3-二氢-7H-吡啶并[1,2,3-de]-1,4-苯骈恶嗪-6-羧酸乙酯

左氧氟环合酯物理化学性质

• 密度: 1.4±0.1 g/cm3
• 沸点: 442.2±45.0 °C at 760 mmHg
• 熔点: 258-260ºC
• 分子式: C₁₅H₁₃F₂NO₄
• 分子量: 309.265
• 闪点: 221.2±28.7 °C
• 精确质量: 309.081268
• PSA: 57.53000
• LogP: 1.28
• 外观性状: 灰白色淡黄色固体
• 蒸汽压: 0.0±1.1 mmHg at 25°C
• 折射率: 1.582
• 储存条件: 室温，干燥

左氧氟环合酯安全信息

• 海关编码: 2934999090

左氧氟环合酯海关

• 海关编码: 2934999090
• 中文概述: 2934999090. 其他杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
• 申报要素: 品名, 成分含量, 用途
• Summary: 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

左氧氟环合酯英文别名

• Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
• (S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid Ethyl Ester
• Levofiexacin acid ester
• T666 1A M BN EO KVT&&J C1 Gf HF LVO2 &&S Form
• 7H-1,4-Oxazino[2,3,4-ij]quinoline-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, ethyl ester, (3S)-
• (-)-ethyl 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido<1,2,3-de><1,4>benzoxazine-6-carboxylate
• ethyl (S)-(-)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate
• Ethyl (3S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
• Levofloxacin cyclized ester
• (S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
• 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, ethyl ester, (3S)-
• (S)-ethyl-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido-[1,2,3-de]-1,4-benzoxazine-6-carboxylate
• Levofloxacin Ethyl Ester