Levofloxacin
C18H20FN3O4·½H2O
370.38
7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-hydrate (2:1), (S)-;
(−)-(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
[138199-71-0] Anhydrous [100986-85-4]
7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-hydrate (2:1), (S)-;
(−)-(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
[138199-71-0] Anhydrous [100986-85-4]
DEFINITION
Levofloxacin contains NLT 98.0% and NMT 102.0% of C18H20FN3O4, calculated on the anhydrous basis.
USP REFERENCE STANDARDS FOR PURCHASE
USP Levofloxacin RSUSP Levofloxacin Related Compound A RS
USP Levofloxacin Related Compound B RS
USP Ofloxacin RS