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

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

Test	Results
Appearance	Off-White to Light Brown Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
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