Epoxymicheliolide

Also known as: 1β,10β-Epoxymicheliolide, 1b,10b-Epoxymicheliolide, (3R,3aS,3bS,6aS,8aS,9aR)-Octahydro-3-hydroxy-3,8a-dimethyl-6-methylene-1H-oxireno[8,8a]azuleno[4,5-b]furan-5(6H)-one, Epoxy costus lactone, Epoxy Costuslactone

Epoxymicheliolide (CAS 1343403-10-0) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C15H20O4 and a molecular weight of 264.317 g/mol. Key properties include a boiling point of 451.6±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 171.3±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1343403-10-0
Jingsj CID: J-1987017-3
Molecular Formula: C₁₅H₂₀O₄
Molecular Weight: 264.317 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	451.6±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	171.3±22.2 °C
Exact Mass	264.136169
PSA	59.06000
LogP	0.54
Vapor Pressure	0.0±2.5 mmHg at 25°C
Refractive Index	1.574
Storage Conditions	2-8℃

Activity & Biological Data

Additional Information	[1]. Qi Z, et al. Study of effects of micheliolide on ovarian cancer cell lines and its mechanism. Zhonghua Fu Chan Ke Za Zhi. 2016 Sep 25;51(9):688-692.

Frequently Asked Questions

What is the CAS number of Epoxymicheliolide?

The CAS number of Epoxymicheliolide is 1343403-10-0.

What are the molecular formula and molecular weight of Epoxymicheliolide?

Epoxymicheliolide has molecular formula C15H20O4 and molecular weight 264.317 g/mol.

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. "Epoxymicheliolide (CAS 1343403-10-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1987017-3 (accessed 2026-11-06).

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