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Eupalinolide B

Also known as: (3aR,4R,6Z,9S,10E,11aR)-9-Acetoxy-6-(acetoxymethyl)-10-methyl-3-methylene-2-oxo-2,3,3a,4,5,8,9,11a-octahydrocyclodeca[b]furan-4-yl (2E)-4-hydroxy-2-methyl-2-butenoate, (3aR,4R,6Z,9S,10E,11aR)-9-Acetoxy-6-(acetoxymethyl)-10-methyl-3-methylene-2-oxo-2,3,3a,4,5,8,9,11a-octahydrocyclodeca[b]furan-4-yl (E)-4-hydroxy-2-methylbut-2-enoate, 2-Butenoic acid, 4-hydroxy-2-methyl-, (3aR,4R,6Z,9S,10E,11aR)-9-(acetyloxy)-6-[(acetyloxy)methyl]-2,3,3a,4,5,8,9,11a-octahydro-10-methyl-3-methylene-2-oxocyclodeca[b]furan-4-yl ester, (2E)-, Eupalinolide B (from Eupatorium lindleyanum)

Eupalinolide B (CAS 877822-41-8) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C24H30O9 and a molecular weight of 462.490 g/mol. Key properties include a boiling point of 618.6±55.0 °C at 760 mmHg, a density of 1.24±0.1 g/cm3 (20 ºC 760 Torr) and a flash point of 205.4±25.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
877822-41-8
Jingsj CID
J-1977723-6
Molecular Formula
C24H30O9
Molecular Weight
462.490 g/mol
Category
Esters
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point618.6±55.0 °C at 760 mmHg
Density1.24±0.1 g/cm3 (20 ºC 760 Torr)
Flash Point205.4±25.0 °C
Exact Mass462.188995
PSA125.43000
LogP2.50
Vapor Pressure0.0±4.1 mmHg at 25°C
Refractive Index1.541

Activity & Biological Data

Additional Information[1]. Yang NY, et al. Cytotoxic sesquiterpene lactones from Eupatorium lindleyanum. J Asian Nat Prod Res. 2007 Apr-Aug;9(3-5):339-45.

Frequently Asked Questions

What is the CAS number of Eupalinolide B?

The CAS number of Eupalinolide B is 877822-41-8.

What are the molecular formula and molecular weight of Eupalinolide B?

Eupalinolide B has molecular formula C24H30O9 and molecular weight 462.490 g/mol.

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

Last updated:

How to cite: Jingsj. "Eupalinolide B (CAS 877822-41-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1977723-6 (accessed 2026-11-06).

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