API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Levofloxacin

EP Impurity A

(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 A
Levofloxacin

EP Impurity B

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 B
Levofloxacin

EP Impurity C

(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_EP Impurity C
Levofloxacin

EP Impurity D

(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 D
Levofloxacin

EP Impurity E

(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 E
Levofloxacin

EP Impurity F

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_EP Impurity F
Levofloxacin

+)-Ofloxacin; (R)-(+)-Ofloxacin; D-Ofloxacin; d-Levofloxacin , R-levofloxacin

(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_(+)-Ofloxacin; (R)-(+)-Ofloxacin; D-Ofloxacin;  d-Levofloxacin , R-levofloxacin
Levofloxacin

Levofloxacin Related Compound B

(S)-9,10,difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid Levofloxacin_Levofloxacin Related Compound B
LEVOFLOXACIN

LEVOFLOXACIN

LEVOFLOXACIN levofloxacin 1