Enmein

延命草素

Also known as: Isodonin, Isodonine, (-)-Enmein, NSC 526961, 5H-5a,8-Methano-11H-cyclohepta[c]furo[3,4-e][1]benzopyran-5,6(7H)-dione, decahydro-2,13-dihydroxy-1,1-dimethyl-7-methylene-, (2S,3aS,5aS,8R,10aS,10bS,13R,13aR)-

Enmein (CAS 3776-39-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H26O6 and a molecular weight of 362.417 g/mol. It is also known as Isodonin, Isodonine and (-)-Enmein. Key properties include a melting point of 274-276℃ (Decomposition) (ethanol ), a boiling point of 610.3±55.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 220.1±25.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3776-39-4
Jingsj CID: J-1960172-6
Molecular Formula: C₂₀H₂₆O₆
Chinese Name: 延命草素
Molecular Weight: 362.417 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	274-276℃ (Decomposition) (ethanol )
Boiling Point	610.3±55.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	220.1±25.0 °C
Exact Mass	362.172943
PSA	93.06000
LogP	-0.30
Vapor Pressure	0.0±4.0 mmHg at 25°C
Refractive Index	1.602

Activity & Biological Data

Additional Information	[1]. Zhang Y, et al. Distinct immunosuppressive effect by Isodon serra extracts. Int Immunopharmacol. 2005 Dec;5(13-14):1957-65. Epub 2005 Jul 13. [2]. Jiang B, et al. Cytotoxic ent-kaurane diterpenoids from Isodon sculponeata. Planta Med. 2002 Oct;68(10):921-5.

Frequently Asked Questions

What is the CAS number of Enmein?

The CAS number of Enmein is 3776-39-4.

What are the molecular formula and molecular weight of Enmein?

Enmein has molecular formula C20H26O6 and molecular weight 362.417 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Enmein (CAS 3776-39-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1960172-6 (accessed 2026-10-28).

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