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

Catalogue Number	NPX-007
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	26159-35-3
Mol. Formula	C₁₅H₁₆O₃
Molecular Wt	244.29
IUPAC	methyl (2S)-2-(6-methoxynaphthalen-2-yl)propanoate
Synonyms	(αS)-6-Methoxy-α-methyl-2-naphthaleneacetic Acid Methyl Ester; (S)-6-Methoxy-α-methyl-2-naphthaleneacetic Acid Methyl Ester; (+)-Naproxen Methyl Ester; (S)-Naproxen Methyl Ester; Methyl (S)-2-(6-Methoxynaphthalen-2-yl)
Long Term Storage Condition	4°C
Handling instruction	Sample COA

Test	Results
Appearance	White to Off-White 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	Chloroform (Sparingly), Ethyl Acetate (Slightly), Methanol (Slightly)
Purity	NLT 98 % 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