CERTIFICATE OF ANALYSIS

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
Identification by 13C NMR 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
This is Sample COA