ChemicalBook > Product Catalog >Analytical Chemistry >Standard >Pharmaceutical Impurity Reference Standards >ethyl (S)-10-fluoro-3-methyl-7-oxo- 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

ethyl (S)-10-fluoro-3-methyl-7-oxo- 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

ethyl (S)-10-fluoro-3-methyl-7-oxo- 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Structure
CAS No.
431058-46-7
Chemical Name:
ethyl (S)-10-fluoro-3-methyl-7-oxo- 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
Synonyms
Levofloxacin-9;Levofloacin Impurity 7;Levofloacin Impurity I;Levofloxacin Impurity I;Levofloxacin Impurity 1;(S)-ethyl 10-fluoro-3-methyl;(S)-ethyl 10-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate;(S)-10-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino [2,3,4-ij]quinoline-6-carboxylate ethyl;ethyl (S)-10-fluoro-3-methyl-7-oxo- 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate;7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 10-fluoro-2,3-dihydro-3-methyl-7-oxo-, ethyl ester, (3S)-
CBNumber:
CB93110772
Molecular Formula:
C15H14FNO4
Molecular Weight:
291.27
MOL File:
431058-46-7.mol

ethyl (S)-10-fluoro-3-methyl-7-oxo- 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Properties

Boiling point 422.7±45.0 °C(Predicted)
Density 1.38±0.1 g/cm3(Predicted)
pka -3.37±0.60(Predicted)

ethyl (S)-10-fluoro-3-methyl-7-oxo- 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Preparation Products And Raw materials

Raw materials

Preparation Products

Levofloxacin Impurity 1 ethyl (S)-10-fluoro-3-methyl-7-oxo- 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate (S)-ethyl 10-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Levofloxacin Impurity I Levofloacin Impurity I Levofloxacin-9 (S)-ethyl 10-fluoro-3-methyl (S)-10-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino [2,3,4-ij]quinoline-6-carboxylate ethyl Levofloacin Impurity 7 Levofloxacin impurity 11/Ethyl (S)-10-fluoro-3-methyl-7-oxo- 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 10-fluoro-2,3-dihydro-3-methyl-7-oxo-, ethyl ester, (3S)- 431058-46-7