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Home Impurity Levofloxacin Related Compund B
Levofloxacin Related Compund B
Synonyms Levofloxacin USP Related Compound B, Levofloxacin EP Impurity F, Levofloxacin Difluoro Carboxylic Acid, Levofloxacin Difluoro Impurity, Levofloxacin Q-Acid, Levofloxacin Carboxylic Acid
Chemical Name (S)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid
CAS No 100986-89-8
Molecular Formula C13H9F2NO4
Molecular Weight 281.21
Levofloxacin Related Compund B

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Levofloxacin 9-Piperazinyl Isomer
178912-62-4
361.37
C18H20FN3O4
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Levofloxacin Descarboxy Impurity
178964-53-9
317.36
C17H20FN3O2
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Levofloxacin Desethylene Diformyl Impurity
151377-74-1
391.35
C18H18FN3O6
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Levofloxacin Desethylene Impurity
1346603-62-0
371.79
C16H19ClFN3O4
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Levofloxacin Desfluoro Impurity
117620-85-6 (base)
343.39
C18H21N3O4
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Levofloxacin D-Isomer
100986-86-5
361.37
C18H20FN3O4
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Levofloxacin Diamine Impurity
1797099-76-3
321.31
C15H16FN3O4
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Levofloxacin Related Compound A
117707-40-1
347.34
C17H18FN3O4
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Levofloxacin Related Compund B
100986-89-8
281.21
C13H9F2NO4
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Levofloxacin Related Compound C
177472-30-9
389.42
C20H24FN3O4
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Levofloxacin N-Oxide
117678-37-2
377.37
C18H20FN3O5
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(S)-Levofloxacin N-Oxide
1117678-38-3
377.37
C18H20FN3O5
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Ofloxacin R Isomer
100986-86-5
361.37
C18H20FN3O4
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