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左氧氟环合酯 化学名:(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 中文同义词:左旋氧氟沙星环合酯;(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;左氧氟羧酸乙酯 英文名称:Ethyl(S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate 英文同义词:7h-Pyrido[1,2,3-De]-1,4-Benzoxazine-6-CarboxylicAcid,9,10-Difluoro-2,3-Dihydro-3-Methyl-7-Oxo-,EthylEster,(3s)-;Levofloxacincarboxylicacid,ethylester;LEVOFLOXACINCYCLIZEDESTER;(3S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicacidethylester;ETHYL(S)-9,10-DIFLUORO-3-METHYL-7-OXO-2,3-DIHYDRO-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLATE;7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLICACID,9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-,ETHYLESTER;(S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicAcidEthylEster;9,10-Difluoro-3-(S)-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate CAS号:106939-34-8 分子式:C15H13F2NO4 分子量:309.26 用途:左氧氟环合酯是合成左氧氟沙星药物的一个主要原料。 性状:类白色粉末 比旋度[α]D20-64°~-72°(1%CH3COOH) 熔点256°C~262°C 干燥失重≤0.5% 右旋异构体:≤0.3% 有关物质单一杂质≤0.5% 甲酯杂质:≤0.5% 总杂质:≤1% 左氧氟沙星环合酯 106939-34-8 医药原料 医药级 含量99% 粉状 类白 25KG/纸板桶 286 企业标准 一般称为左氧氟环合酯ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ 联系人:杨经理 手机:18872220655 座机:027-50756197 QQ: 2355779440 地址:湖北省武汉市武昌区中山路496号 _________________________________________ 我们的承诺: 发货迅速:物流、EMS邮政快递,申通、韵达快递等,款到1天内发货; 质优价廉,欢迎订购,量大从优。 其他服务:如您对产品服务及技术指标有特殊要求,请及时通知我方 服务宗旨:竭诚提供优质产品,售后服务客户满意度100%。 关于运费:报价含运费,快递、物流按客户需求发货。 我们的诚意,您可以看得到! 你只管用 剩下的我们来解决! 您的需要就是我们的任务! ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ 厂家直销|现货供应|厂家批发|厂家价格| 公司现货其他产品,欢迎各位客户致电询价。 |