Carabrone

天名精内酯酮

Also known as: Carabrone, Carabron, Grandicin, Octahydro-5a-methyl-3-methylene-5-(3-oxobutyl)-2H-cyclopropa[f]benzofuran-2-one, (3aR,4aS,5S,5aR,6aR)-5a-methyl-3-methylene-5-(3-oxobutyl)octahydro-2H-cyclopropa[f][1]benzofuran-2-one, (3aR,4aS,5S,5aR,6aR)-5a-methyl-3-methylidene-5-(3-oxobutyl)-3a,4,4a,5,6,6a-hexahydrocyclopropa[f][1]benzofuran-2-one, (3aR,4aS,5S,5aR,6aR)-5-(3-ketobutyl)-5a-methyl-3-methylene-3a,4,4a,5,6,6a-hexahydrocyclopropa[f]benzofuran-2-one, (3aR,4aα,6aα)-Octahydro-5aα-methyl-3-methylene-5α-(3-oxobutyl)-2H-cyclopropa[f]benzofuran-2-one, 5a-Methyl-3-methylene-5-(3-oxobutyl)octahydro-2H-cyclopropa[f][1]benzofuran-2-one, 2H-Cyclopropa[f]benzofuran-2-one, octahydro-5a-methyl-3-methylene-5-(3-oxobutyl)-, (3aR,4aS,5S,5aR,6aR)-

Carabrone (CAS 1748-81-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H20O3 and a molecular weight of 248.318 g/mol. It is also known as Carabron, Grandicin and Octahydro-5a-methyl-3-methylene-5-(3-oxobutyl)-2H-cyclopropa[f]benzofuran-2-one. Key properties include a boiling point of 397.4±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 176.5±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1748-81-8
Jingsj CID
J-992649-9
Molecular Formula
C15H20O3
Chinese Name
天名精内酯酮
Molecular Weight
248.318 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point397.4±15.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point176.5±20.4 °C

Frequently Asked Questions

What is the CAS number of Carabrone?

The CAS number of Carabrone is 1748-81-8.

What are the molecular formula and molecular weight of Carabrone?

Carabrone has molecular formula C15H20O3 and molecular weight 248.318 g/mol.

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

Last updated:

How to cite: Jingsj. "Carabrone (CAS 1748-81-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-992649-9 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.