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当前位置： > 产品中心 > 药物杂质对照品 > 左氧氟沙星
左氧氟沙星购买
目录号: PI07001001     品名: Levofloxacin
CAS NO:100986-85-4|Chemical Formula: C18H20FN3O4|9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic……
左氧氟沙星EP杂质B购买
目录号: PI07001010     品名: Levofloxacin Impurity B(EP)
CAS NO: |Chemical Formula: C17H18FN3O4|(S)-9-fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
左氧氟沙星杂质C（左氧氟沙星甲氧氮芥，左氧氟沙N-氧化物）购买
目录号: PI07001011     品名: Levofloxacin Impurity C(EP),Levofloxacin Impurity C,Levofloxacin N-oxide,左氧氟沙星杂质C
CAS No:117678-38-3 |Chemical Formula: C18H20FN3O5|(S)-4-(6-carboxy-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinolin-10-yl)-1-methylpipera……
左氧氟沙星EP杂质D购买
目录号: PI07001012     品名: Levofloxacin Impurity D（Defluoro Levofloxacin）
CAS No:117620-85-6 |Chemical Formula: C18H21N3O4|(S)-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic ac……
左氧氟沙星EP杂质E购买
目录号: PI07001012     品名: Levofloxacin Impurity E(Descarboxyl Levofloxacin)
CAS No:178964-53-9|Chemical Formula: C17H20FN3O2|(S)-9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinolin-7-one
左氧氟沙星杂质1购买
目录号: PI07001014     品名: Levofloxacin Impurity 1
CAS No: N/A||Chemical Formula:C16H18FN3O4 ||Molecular Weight:335.33540||Exact Mass:335.12813 ||(S)-9-fluoro-3-methyl-10-((2-(methylamino)ethyl)amino)-7-oxo-2,3-……
左氧氟沙星杂质2购买
目录号: PI07001019     品名: Levofloxacin Impurity 2
CAS No:1797099-76-3||Chemical Formula:C15H16FN3O4||Molecular Weight:321.30840 ||Exact Mass:321.11248 ||(S)-10-((2-aminoethyl)amino)-9-fluoro-3-methyl-7-oxo-2,3-……
左氧氟沙星杂质3购买
目录号: PI07001015     品名: Levofloxacin Impurity 3
CAS No:106939-30-4 ||Chemical Formula:C19H22FN3O4 ||Molecular Weight:375.4004 ||Exact Mass:375.15943 ||(S)-10-(4-ethylpiperazin-1-yl)-9-fluoro-3-methyl-7-oxo-2,……
左氧氟沙星杂质4(左氧氟沙星乙酯)购买
目录号: PI07001016     品名: Levofloxacin Impurity 4(Levofloxacin Ethyl Ester)
CAS No:177472-30-9||Chemical Formula:C20H24FN3O4||Molecular Weight:389.42740||Exact Mass:389.17508||(S)-ethyl 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-ox……
左氧氟沙星杂质5购买
目录号: PI07001017     品名: Levofloxacin Impurity 5
CAS No:N/A||Chemical Formula:C19H21ClFN3O4||Molecular Weight:409.84240||Exact Mass:409.12046||chloromethyl(S)-9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-ox……
左氧氟沙星杂质7购买
目录号: PI07001018     品名: Levofloxacin Impurity 7
C​AS No:N/A ||Chemical Formula:C16H18FN3O4 ||Molecular Weight:447.18032 ||Exact Mass:447.18056||(S)-10-(4-(tert-butoxycarbonyl)piperazin-1-yl)-9-fluoro-3-methyl……
左氧氟沙星杂质8购买
目录号: PI07001020     品名: Levofloxacin Impurity 8
CAS No:178912-62-4||Chemical Formula:C18H20FN3O4||Molecular Weight:361.37340||Exact Mass:361.14378||(S)-10-fluoro-3-methyl-9-(4-methylpiperazin-1-yl)-7-oxo-2,3-……

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