CERTIFICATE OF ANALYSIS

PRODUCT NAME: Naproxen EP impurity J
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number NPX-005
Item/Batch Number Sample COA
Quantity Sample COA
CAS Number 21388-17-0
Mol. Formula C₁₃H₁₄O
Molecular Wt 186.25
IUPAC 2-ethyl-6-methoxynaphthalene
Synonyms 2-Methoxy-6-ethylnapthalene; 2-Ethyl-6-methoxynaphthalene; Naproxen Impurity J
Long Term Storage Condition Store At 2-8°C
Handling instruction Sample COA
Test Results
Appearance Light 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 Chloroform (Slightly), Methanol (Slightly)
Purity NLT 98%
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
This is Sample COA