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Current Position： > Product > Drug Impurities > Levofloxacin
Levofloxacin Impurity 4(Levofloxacin Ethyl Ester)
Catalog No: PI07001016     Product Name: 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……
Levofloxacin Impurity 5
Catalog No: PI07001017     Product Name: 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……
Levofloxacin Impurity 7
Catalog No: PI07001018     Product Name: Levofloxacin Impurity 7
CAS 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-7-o……
Levofloxacin Impurity 8
Catalog No: PI07001020     Product Name: 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-……
Defluoro Levofloxacin（see Levofloxacin Impurity D）
Catalog No:      Product Name: Defluoro Levofloxacin
CAS No:117620-85-6||Chemical Formula:C18H21N3O4||(3S)-2,3-Dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Ac……
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