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1-O-Acetylbritannilactone

Also known as: Inulicin, Britannilactone 1-O-acetate, 1-O-Acetylbritannilatone, (3aS,4R,7aR)-5-[(1S)-4-(acetyloxy)-1-methylbutyl]-3a,4,7,7a-tetrahydro-4-hydroxy-6-methyl-3-methylene-2(3H)-benzofuranone, (4S)-4-[(3aS,4R,7aR)-4-Hydroxy-6-methyl-3-methylene-2-oxo-2,3,3a,4,7,7a-hexahydro-1-benzofuran-5-yl]pentyl acetate, 1-O-acetyl Britannilactone, 1OAcetyl britannilactone, 1 O Acetyl britannilactone, 2(3H)-Benzofuranone, 5-[(1S)-4-(acetyloxy)-1-methylbutyl]-3a,4,7,7a-tetrahydro-4-hydroxy-6-methyl-3-methylene-, (3aS,4R,7aR)-, 4-((3As,4r,7ar)-4-hydroxy-6-methyl-3-methylene-2-oxo-2,3,3a,4,7,7a-hexahydrobenzofuran-5-yl)pentyl acetate, britannilactone,1-0-acetyl

1-O-Acetylbritannilactone (CAS 681457-46-5) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C17H24O5 and a molecular weight of 308.370 g/mol. Key properties include a boiling point of 481.7±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 172.5±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
681457-46-5
Jingsj CID
J-1410832-9
Molecular Formula
C17H24O5
Molecular Weight
308.370 g/mol
Category
Esters
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point481.7±45.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point172.5±22.2 °C
Exact Mass308.162384
LogP2.09
Vapor Pressure0.0±2.7 mmHg at 25°C
Refractive Index1.521

Frequently Asked Questions

What is the CAS number of 1-O-Acetylbritannilactone?

The CAS number of 1-O-Acetylbritannilactone is 681457-46-5.

What are the molecular formula and molecular weight of 1-O-Acetylbritannilactone?

1-O-Acetylbritannilactone has molecular formula C17H24O5 and molecular weight 308.370 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. "1-O-Acetylbritannilactone (CAS 681457-46-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1410832-9 (accessed 2026-11-06).

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