PRODUCT NAME: Donepezil 3-Hydroxy Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	DON-001
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	2097683-67-3
Mol. Formula	C₂₄H₂₉NO₄
Molecular Wt	395.49
Synonyms	3-Hydroxy Donepezil (Donepezil Impurity)
Long Term Storage Condition	Hygroscopic, Refrigerator, under inert atmosphere
Handling instruction	Sample COA

Test	Results
Appearance	Off-White to 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), DMSO (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