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N-Desmethylgalanthamine

Also known as: Norgalantamine, N-Norgalanthamine, Desmethyl Galantamine, Galantamine Impurity E, N-Demethylgalantamine

N-Desmethylgalanthamine (CAS 41303-74-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H19NO3 and a molecular weight of 273.32700 g/mol. Key properties include a melting point of 142-145ºC, a boiling point of 457.923ºC at 760 mmHg, a density of 1.309g/cm3 and a flash point of 230.744ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
41303-74-6
Jingsj CID
J-1956983-6
Molecular Formula
C16H19NO3
Molecular Weight
273.32700 g/mol
Category
Organic Compounds
Last updated
8/21/2026
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Physicochemical Properties

Melting Point142-145ºC
Boiling Point457.923ºC at 760 mmHg
Density1.309g/cm3
Flash Point230.744ºC
Exact Mass273.13600
PSA50.72000
LogP1.83690
Refractive Index1.642

Activity & Biological Data

Additional Information[1]. Bachus R, et al. The O-demethylation of the antidementia drug galanthamine is catalysed by cytochrome P450 2D6. Pharmacogenetics. 1999;9(6):661-668. [2]. Melanie-Jayne R. Howes, et al. Acetylcholinesterase inhibitors of natural origin. International Journal of Research in Pharmaceutical and Biomedical Sciences 3(SI 1):67-86.

Frequently Asked Questions

What is the CAS number of N-Desmethylgalanthamine?

The CAS number of N-Desmethylgalanthamine is 41303-74-6.

What are the molecular formula and molecular weight of N-Desmethylgalanthamine?

N-Desmethylgalanthamine has molecular formula C16H19NO3 and molecular weight 273.32700 g/mol.

What are the upstream and downstream products of N-Desmethylgalanthamine?

For N-Desmethylgalanthamine, Upstream Products: Galantamine hydrobromide; Downstream Products: Galanthamine.

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

Last updated:

How to cite: Jingsj. "N-Desmethylgalanthamine (CAS 41303-74-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1956983-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.