Products 100986-89-8

CAS 100986-89-8 appears in our catalog under these names: Levofloxacin Related Compound B, Levofloxacin EP Impurity F (Levofloxacin USP Related Compound B), Levofloxacin Carboxylic Acid (Levofloxacin Difluoro Impurity), >95% (HPLC), (S)-9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido(1,2,3-de)-1,4-benzoxazine-6-carboxylic Acid, Levofloxacin carboxylic acid. Offered by: Chemat Brand, TRC, Mikromol, Biosynth, TCI. Available pack sizes: on request, 1g, 25g, 5g, 25mg, 100g, 50g, 250g.

Levofloxacin Related Compound B
Chemat Brand
  • size: on request
  • Variants: 1
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Levofloxacin EP Impurity F (Levofloxacin USP Related Compound B)
Chemat Brand
  • size: on request
  • Variants: 1
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Levofloxacin Carboxylic Acid (Levofloxacin Difluoro Impurity), >95% (HPLC)
TRC
  • size: 1g, 25g, 5g
  • Variants: 3
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(S)-9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido(1,2,3-de)-1,4-benzoxazine-6-carboxylic Acid
Mikromol
  • size: 25mg
  • Variants: 1
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Levofloxacin carboxylic acid
Biosynth
  • size: 100g, 50g, 250g
  • Variants: 3
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Levofloxacin Q-Acid, >98.0%(HPLC)(T)
TCI
  • size: 1g, 5g
  • Variants: 2
from 383.88
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Levofloxacin carboxylic acid 97%
Ambeed
  • size: 250mg, 1g, 5g, 10g
  • Variants: 7
from 120.06
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S(-)-9,10-DIFL-2,3-DIHYDRO-3-ME-7H-PYRI&
Sigma-Aldrich
  • size: 5G
  • Variants: 1
from 274.00
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(3S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 97%, 97%
Chemat
  • size: 250mg, 1g, 5g, 10g
  • Variants: 7
from 74.00
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Levofloxacin Q-acid (Standard)
MedChemExpress
  • size: Get quote
  • Variants: 1
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Levofloxacin Q-acid, 99.79%
MedChemExpress
  • size: 10 g, 25 g, 5 g
  • Variants: 3
from 301.12
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(S)-9,10-Difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid, 95%
Fluorochem
  • size: 250mg, 1g, 5g, 10g
  • Variants: 6
from 91.65
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Structural formula: {0} (CAS {1})

Ofloxacin impurity a is a member of quinolines.

Source: ChEBI

Identity
Molecular formulaC13H9F2NO4
Molecular weight281.21 g/mol
IUPAC name(2S)-6,7-difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid
InChIKeyNVKWWNNJFKZNJO-YFKPBYRVSA-N
SMILESC[C@H]1COC2=C3N1C=C(C(=O)C3=CC(=C2F)F)C(=O)O

Computed by PubChem (NCBI)

Synonyms: Levofloxacin Q-Acid, Levofloxacin q-acid, (-)-, LEVOFLOXACIN HEMIHYDRATE IMPURITY F [EP IMPURITY], LEVOFLOXACIN HEMIHYDRATE IMPURITY F (EP IMPURITY), Levofloxacin carboxylic acid, Levofloxacin Carboxylic Acid (Levofloxacin Difluoro Impurity), Levofloxacin EP Impurity F, Levofloxacin EP Impurity F;<br>USP Levofloxacin Related Compound B, Levofloxacin Q acid, Levofloxacin impurity F CRS
Related forms of this compound
6,7-difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid C13H9F2NO4
(2R)-6,7-difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid C13H9F2NO4
Isomers (same molecular formula)
1-cyclopropyl-6,7-difluoro-8-hydroxy-4-oxoquinoline-3-carboxylic acid C13H9F2NO4