PRODUCT NAME: Levofloxacin EP Impurity E
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	LEF-006
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	178964-53-9
Mol. Formula	C17H20FN3O2
Molecular Wt	317.36
Long Term Storage Condition	store at 2-8°C	Handling instruction	Sample COA
IUPAC	(2S)-7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraen-10-one
Chemical Name	Levofloxacin EP Impurity E
Synonyms	(3S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7H-pyrido[1,2,3-de]-1,4-benzoxazin-7-one; Descarboxyl Levofloxacin;Levofloxacin Descarboxy Impurity; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine; (S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7Hpyrido[1,2,3-de][1,4]benzoxazine; Decarboxy levofloxacin (USP)

Test	Results
Appearance	Off White Powder
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	98%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Soluble in water
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption