Neobritannilactone B

Also known as: (3aR,4S,6E,10E,11aS)-3a,4,5,8,9,11a-Hexahydro-4-hydroxy-6,10-dimethyl-3-methylene-cyclodeca[b]furan-2(3H)-one, Cyclodeca[b]furan-2(3H)-one, 3a,4,5,8,9,11a-hexahydro-4-hydroxy-6,10-dimethyl-3-methylene-, (3aR,4S,6E,10E,11aS)-

Neobritannilactone B (CAS 886990-00-7) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C15H20O3 and a molecular weight of 248.32 g/mol. Key property: a density of 1.11±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 886990-00-7
Jingsj CID: J-90179-6
Molecular Formula: C₁₅H₂₀O₃
Molecular Weight: 248.32 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.11±0.1 g/cm3
Additional Property	Sparingly soluble (25 g/L) (25 ºC)

Activity & Biological Data

Additional Information	[1]. Choo SJ, et al. Hypo-pigmenting effect of sesquiterpenes from Inula britannica in B16 melanoma cells. Arch Pharm Res. 2014 May;37(5):567-74. [2]. Jose S, et al. Phytochemical constituents of Inula britannica as potential inhibitors of dihydrofolate reductase: A strategic approach against shigellosis. J Biomol Struct Dyn. 2022;40(22):11932-11947.

Frequently Asked Questions

What is the CAS number of Neobritannilactone B?

The CAS number of Neobritannilactone B is 886990-00-7.

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

Neobritannilactone B has molecular formula C15H20O3 and molecular weight 248.32 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. "Neobritannilactone B (CAS 886990-00-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-90179-6 (accessed 2026-11-06).

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