Analytical Reference substance

Donepezil Open-Ring Keto Acid (Sodium Salt)

2-[3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid sodium salt


Product Number: OLYDO0010.0OP KE
CAS Number: 197010-25-6 (acid)
Lot Number:
Molecular Formula: C24H29NO5 (acid) ; C24H28NNaO5 (sodium salt)
Molecular Weight: 411.49 ; 433.47 (sodium salt)

Long Term Storage: 02-08 °C
Appearance:
Melting Point:
Purity By HPLC: NLT 95%

Sr No. Test Results Date ref.
1 1H NMR Confirm Report Attached
2 Mass Confirm Report Attached
3 HPLC NLT 95% Report Attached
Expiry Date: 22-04-2026
This certificate is valid for two years from the date of Manufacturing Provided the substance is stored under the recommended conditions.

Document data reference:
Prepared by

Dr. Ashish Keche
Head of QA & QC
Reviewed by

Dr. Girish Hatnapure
Head of R& D
Approved by

Dr. Atish Rodge
Managing Director

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