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

Catalogue Number	DON-009
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	120013-39-0
Alternate CAS Number	120014-30-4-free base
Mol. Formula	C₁₇H₂₄ClNO₃
Molecular Wt	325.83
IUPAC	5,6-dimethoxy-2-(piperidin-4-ylmethyl)-2,3-dihydroinden-1-one;hydrochloride
Synonyms	2,3-Dihydro-5,6-dimethoxy-2-(4-piperidinylmethyl)-1H-inden-1-one Hydrochloride; Desbenzyl Donepezil Hydrochloride
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	White to Light Beige 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 (Sparingly), Methanol (Slightly)
Purity	98 % by
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