Epigalantamine

Also known as: Epi-galantamine, (-)-Epigalanthamine, Galantamine EP impurity B, Galantamine Impurity 2 (Galantamine EP Impurity B), 3-Epigalanthamine, SPH 1068, (4aS,6S,8aS)-4a,5,9,10,11,12-Hexahydro-3-methoxy-11-methyl-6H-benzofuro[3a,3,2-ef][2]benzazepin-6-ol

Epigalantamine (CAS 1668-85-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C17H21NO3 and a molecular weight of 287.35400 g/mol. Key properties include a melting point of 183-185ºC, a boiling point of 439.3ºC at 760 mmHg, a density of 1.28g/cm3 and a flash point of 219.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1668-85-5
Jingsj CID: J-1962436-3
Molecular Formula: C₁₇H₂₁NO₃
Molecular Weight: 287.35400 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	183-185ºC
Boiling Point	439.3ºC at 760 mmHg
Density	1.28g/cm3
Flash Point	219.5ºC
Exact Mass	287.15200
PSA	41.93000
LogP	1.78820
Vapor Pressure	1.71E-08mmHg at 25°C
Refractive Index	1.636
Storage Conditions	-20°C

Activity & Biological Data

Target	EC50: 45.7 μM (AChE)[1]
Additional Information	[1]. Thomsen T, et al. Stereoselectivity of cholinesterase inhibition by galanthamine and tolerance in humans. Eur J Clin Pharmacol. 1990;39(6):603-5. [2]. Berkov S, et al. Rapid TLC/GC-MS identification of acetylcholinesterase inhibitors in alkaloid extracts. Phytochem Anal. 2008 Sep-Oct;19(5):411-9. [3]. Maláková J, et al. High-performance liquid chromatographic method with UV photodiode-array, fluorescence and mass spectrometric detection for simultaneous determination of galantamine and its phase I metabolites in biological samples. J Chromatogr B Analyt Technol Biomed Life Sci. 2007 Jun 15;853(1-2):265-74.

Target

EC50: 45.7 μM (AChE)[1]

Additional Information

[1]. Thomsen T, et al. Stereoselectivity of cholinesterase inhibition by galanthamine and tolerance in humans. Eur J Clin Pharmacol. 1990;39(6):603-5. [2]. Berkov S, et al. Rapid TLC/GC-MS identification of acetylcholinesterase inhibitors in alkaloid extracts. Phytochem Anal. 2008 Sep-Oct;19(5):411-9. [3]. Maláková J, et al. High-performance liquid chromatographic method with UV photodiode-array, fluorescence and mass spectrometric detection for simultaneous determination of galantamine and its phase I metabolites in biological samples. J Chromatogr B Analyt Technol Biomed Life Sci. 2007 Jun 15;853(1-2):265-74.

Frequently Asked Questions

What is the CAS number of Epigalantamine?

The CAS number of Epigalantamine is 1668-85-5.

What are the molecular formula and molecular weight of Epigalantamine?

Epigalantamine has molecular formula C17H21NO3 and molecular weight 287.35400 g/mol.

What are the upstream and downstream products of Epigalantamine?

For Epigalantamine, Downstream Products: Galanthaminone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Epigalantamine (CAS 1668-85-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962436-3 (accessed 2026-11-09).

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