Levofloxacin Carboxylic Acid (Levofloxacin Difluoro Impurity)

CAS: 100986-89-8

Ref. TR-L360250

Product Information

• Name: Levofloxacin Carboxylic Acid (Levofloxacin Difluoro Impurity)
• Synonyms: (3S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, (S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, (S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid, 9,10-Difluoro-3-(S)-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, Levofloxacin Q-acid, Levofloxacin Related Compound B, Levofloxacin Hemihydrate Impurity F, (3S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid, (S)-9,10-Difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid, 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, (3S)-, 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, (S)-, 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-(3S)-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid, Levofloxacin acid, Levofluorocarboxylic acid
• CAS: 100986-89-8

Description

Impurity Levofloxacin USP Related Compound B
Applications Levofloxacin intermediate.
References Liu, Bo; Y., et al.: Bioorg. Med. Chem., 13, 2451 (2005), Lalitha D., et al.: J. Pharm. Biomed. Anal., 50, 710 (2009),

• Brand: TRC

Chemical properties

• Molecular weight: 281.21
• Formula: C₁₃H₉F₂NO₄
• Color/Form: White Solid
• InChI: InChI=1S/C13H9F2NO4/c1-5-4-20-12-9(15)8(14)2-6-10(12)16(5)3-7(11(6)17)13(18)19/h2-3,5H,4H2,1H3,(H,18,19)/t5-/m0/s1
• InChI key: InChIKey=NVKWWNNJFKZNJO-YFKPBYRVSA-N
• SMILES: C[C@H]1COc2c(F)c(F)cc3c(=O)c(C(=O)O)cn1c23