PRODUCT NAME: Oseltamivir EP Impurity A
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	OST-005
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1364932-19-3
Mol. Formula	C14H24N2O4
Molecular Wt	284.35
IUPAC	(3R,4R,5S)-5-(Acetylamino)-4-amino-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylic acid
Synonyms	4-N-Desacetyl-5-N-acetyl Oseltamivir Acid
Long Term Storage Condition	store at 2-8°C
Handling instruction	Sample COA

Test	Results
Appearance	Dark brown solid
Water content by KF/TGA	Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility	Soluble in Methanol
Purity	NLT 95.00% by HPLC
Analysis Date (Release Date)	Sample COA
Attachments	Sample COA
Other Information	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption