Autumnolide

Also known as: Autumnolide, (1aR,1bS,2R,3aR,6aS,7S,7aR,8R,8aS)-decahydro-7,8-dihydroxy-2,7a-dimethyl-6-methyleneoxireno[1,2]azuleno[6,5-b]furan-5-one, Oxireno[1,2]azuleno[6,5-b]furan-5(1aH)-one, decahydro-7,8-dihydroxy-2,7a-dimethyl-6-methylene-, (1aR,1bS,2R,3aR,6aS,7S,7aR,8R,8aS)-, (1aR,1bα,3aα,6aα,8aβ)-Dodecahydro-7α,8β-dihydroxy-2α,7aβ-dimethyl-6-methyleneoxireno[1,2]azuleno[6,5-b]furan-5-one

Autumnolide (CAS 20505-32-2) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C15H20O5 and a molecular weight of 280.31600 g/mol. Key properties include a boiling point of 505.2ºC at 760 mmHg, a density of 1.36g/cm3 and a flash point of 192.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20505-32-2
Jingsj CID: J-1165288-1
Molecular Formula: C₁₅H₂₀O₅
Molecular Weight: 280.31600 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	505.2ºC at 760 mmHg
Density	1.36g/cm3
Flash Point	192.5ºC
Exact Mass	280.13100
PSA	79.29000
LogP	0.24930
Vapor Pressure	2.53E-12mmHg at 25°C
Refractive Index	1.589

Frequently Asked Questions

What is the CAS number of Autumnolide?

The CAS number of Autumnolide is 20505-32-2.

What are the molecular formula and molecular weight of Autumnolide?

Autumnolide has molecular formula C15H20O5 and molecular weight 280.31600 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. "Autumnolide (CAS 20505-32-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1165288-1 (accessed 2026-11-06).

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