Levofloxacin Impurities

Levofloxacin Desethylene Diformyl Impurity

CAS No. : 151377-74-1
Synonyms : N,N’-Desethylene-N,N’-diformyl Levofloxacin; (S)-9-Fluoro-10-[formyl[2-(formylmethylamino)ethyl]amino]-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Catalog No. : SA18411
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Levofloxacin Desfluoro 2-Methyl Analog

CAS No. : NA
Synonyms : (-)-(S)-2,3-Dihydro-2-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Catalog No. : SA18410
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Levofloxacin EP Impurity D

CAS No. : 117620-85-6 (base)
Synonyms : Levofloxacin Desfluoro Impurity; Levofloxacin USP Related Compound F; Defluoro Levofloxacin; (-)-(S)-2,3-Dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Catalog No. : SA18409
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Levofloxacin EP Impurity C

CAS No. : 117678-37-2
Synonyms : Levofloxacin N-Oxide; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid N-oxide
Catalog No. : SA18408
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Levofloxacin EP Impurity G

CAS No. : 1346603-62-0
Synonyms : Levofloxacin USP Related Compound E; Levofloxacin Desethylene Impurity; N,N-Desethylene Levofloxacin; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-[2-(methylamino)ethylamino]-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid HCl
Catalog No. : SA18407
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Levofloxacin EP Impurity A

CAS No. : 100986-86-5
Synonyms : (R)-Ofloxacin; Levofloxacin D-Isomer; (+)-(R)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Catalog No. : SA18406
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Levofloxacin EP Impurity I

CAS No. : 178912-62-4 (base)
Synonyms : 9-Piperazinyl Levofloxacin Isomer; (-)-(S)-10-Fluoro-2,3-dihydro-3-methyl-9-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid HCl
Catalog No. : SA18405
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Levofloxacin EP Impurity H

CAS No. : 177472-30-9
Synonyms : Levofloxacin Ethyl Ester; Ethyl (S)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
Catalog No. : SA18404
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Levofloxacin EP Impurity E

CAS No. : 178964-53-9
Synonyms : Decarboxy Levofloxacin Impurity; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine
Catalog No. : SA18403
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Levofloxacin EP Impurity F

CAS No. : 100986-89-8
Synonyms : Difluoro Levofloxacin Analog; (S)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid; (3S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid
Catalog No. : SA18402
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Levofloxacin EP Impurity B

CAS No. : 117707-40-1
Synonyms : N-Desmethyl Levofloxacin; Levofloxacin USP Relared Compound A; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Catalog No. : SA18401
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Levofloxacin

CAS No. : 138199-71-0 (hemihydrate); 100986-85-4 (Anhydrous)
Synonyms : (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid Hemihydrate
Catalog No. : SA18400
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