5-O-Desmethyl Donepezil

5-O-去甲基多奈哌齐

Also known as: 1-Benzyl-4-[(5-hydroxy-6-methoxy-1-oxo-indan-2-yl)methylpiperidine, 1H-Inden-1-one, 2,3-dihydro-5-hydroxy-6-methoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-, 2-((1-benzylpiperidin-4-yl)methyl)-5-hydroxy-6-methoxy-2,3-dihydro-1H-inden-1-one, Donepezil 5-O-Desmethyl Impurity, UNII:56R452SD5N

5-O-Desmethyl Donepezil (CAS 120013-57-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C23H27NO3 and a molecular weight of 365.465 g/mol. It is also known as 1-Benzyl-4-[(5-hydroxy-6-methoxy-1-oxo-indan-2-yl)methylpiperidine, 1H-Inden-1-one, 2,3-dihydro-5-hydroxy-6-methoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]- and 2-((1-benzylpiperidin-4-yl)methyl)-5-hydroxy-6-methoxy-2,3-dihydro-1H-inden-1-one. Key properties include a melting point of 170-172ºC, a boiling point of 545.3±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 283.6±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
120013-57-2
Jingsj CID
J-1152309-1
Molecular Formula
C23H27NO3
Chinese Name
5-O-去甲基多奈哌齐
Molecular Weight
365.465 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point170-172ºC
Boiling Point545.3±50.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point283.6±30.1 °C

Frequently Asked Questions

What is the CAS number of 5-O-Desmethyl Donepezil?

The CAS number of 5-O-Desmethyl Donepezil is 120013-57-2.

What are the molecular formula and molecular weight of 5-O-Desmethyl Donepezil?

5-O-Desmethyl Donepezil has molecular formula C23H27NO3 and molecular weight 365.465 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5-O-Desmethyl Donepezil (CAS 120013-57-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1152309-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.