(-)-Isolongifolen-9-one

(-)-异长叶烯-9-酮

Also known as: (-)-9-Oxoisolongifolene, (-)-Isolongifolenone, 9-Oxoisolongifolene, Isolongifolen-9-one, (1R)-2,2,7,7-Tetramethyltricyclo[6.2.1.0(1,6)]undec-5-en-4-one, 7H-2,4a-Methanonaphthalen-7-one, 1,2,3,4,5,6-hexahydro-1,1,5,5-tetramethyl-, (2S,4aR)-

(-)-Isolongifolen-9-one (CAS 26839-52-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H22O and a molecular weight of 218.33500 g/mol. It is also known as (-)-9-Oxoisolongifolene, (-)-Isolongifolenone and 9-Oxoisolongifolene. Key properties include a melting point of 34-37ºC and a boiling point of 143-144ºC4.5 mm Hg(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 26839-52-1
Jingsj CID: J-1360651-2
Molecular Formula: C₁₅H₂₂O
Chinese Name: (-)-异长叶烯-9-酮
Molecular Weight: 218.33500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	34-37ºC
Boiling Point	143-144ºC4.5 mm Hg(lit.)

Frequently Asked Questions

What is the CAS number of (-)-Isolongifolen-9-one?

The CAS number of (-)-Isolongifolen-9-one is 26839-52-1.

What are the molecular formula and molecular weight of (-)-Isolongifolen-9-one?

(-)-Isolongifolen-9-one has molecular formula C15H22O and molecular weight 218.33500 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(-)-Isolongifolen-9-one (CAS 26839-52-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360651-2 (accessed 2026-10-24).

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