Impurities

Levofloxacin Impurities

  • Levofloxacin - EP Impurity A

  • Impurity: Levofloxacin - EP Impurity A
  • Chemical Name: (S)-9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-Pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid (Levofloxacin Difluoro Impurity
  • Levofloxacin - EP Impurity D

  • Impurity: Levofloxacin - EP Impurity D
  • Chemical Name: (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(9-Piperazino Levofloxacin Impurity)
  • Levofloxacin - EP Impurity E

  • Impurity: Levofloxacin - EP Impurity E
  • Chemical Name: (S)-9-fluoro-3-mehyl-10(piperazine-1-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid
  • Levofloxacin - EP Impurity F

  • Impurity: Levofloxacin - EP Impurity F
  • Chemical Name: 4-[(3S)-6-carboxy-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4- benzoxazin-10-yl]-1-methylpiperazine 1-oxide
  • Levofloxacin - (+)-Ofloxacin; (R)-(+)-Ofloxacin; D-Ofloxacin; d-Levo

  • Impurity: Levofloxacin - (+)-Ofloxacin; (R)-(+)-Ofloxacin; D-Ofloxacin; d-Levo
  • Chemical Name: (3R)-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
  • Levofloxacin - Related Compound B

  • Impurity: Levofloxacin - Related Compound B
  • 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
  • Levofloxacin - N-methyl ethyl amine Impurity

  • Impurity: Levofloxacin - N-methyl ethyl amine Impurity
  • Chemical Name: (3R)-9-(2-(methylamino)ethylamino)-8-fluoro-2,3,3a,6-tetrahydro-3-methyl-6-oxobenzo[de]chromene-5-carboxylic acid
  • Levofloxacin - EP Impurity B

  • Impurity: Levofloxacin - EP Impurity B
  • Chemical Name: 9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine(Decarboxylated Levofloxacin)
  • Levofloxacin - EP Impurity C

  • Impurity: Levofloxacin - EP Impurity C
  • Chemical Name: (3S)-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4- benzoxazine-6-carboxylic acid(9-Desfluoro Levofloxacin)
  • Levofloxacin - Formyl impurity

  • Impurity: Levofloxacin - Formyl impurity
  • Chemical Name: (3R)-9-(2-(N-formyl-methylamino)-(N-formyl-ethylamino))-8-fluoro-2,3,3a,6-tetrahydro-3-methyl-6-oxobenzo[de]chromene-5-carboxylic acid

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