(1R,2R,5S,6S)-1-Ethyltricyclo[4.2.1.1²,⁵]dec-3-en-9-one

(1R,2R,5S,6S)-rel-(9CI)-1-乙基-三环[4.2.1.1²,⁵]-3-癸烯-9-酮

Also known as: Tricyclo[4.2.1.1²,⁵]dec-3-en-9-one, 1-ethyl-, (1R,2R,5S,6S)-rel- (9CI), (1S,2S,5R,6R)-1-ethyltricyclo[4.2.1.1^{2,5}]dec-3-en-9-one, Tricyclo[4.2.1.12,5]dec-3-en-9-one, 1-ethyl-, (1R,2R,5S,6S)-rel- (9CI), (1S,2S,5R,6R)-1-ethyltricyclo[4.2.1.1^{2,5}]dec-3-en-9-one;Tricyclo[4.2.1.12,5]dec-3-en-9-one, 1-ethyl-, (1R,2R,5S,6S)-rel-

(1R,2R,5S,6S)-1-Ethyltricyclo[4.2.1.1²,⁵]dec-3-en-9-one (CAS 640756-28-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H16O and a molecular weight of 176.25500 g/mol. It is also known as Tricyclo[4.2.1.1²,⁵]dec-3-en-9-one, 1-ethyl-, (1R,2R,5S,6S)-rel- (9CI), (1S,2S,5R,6R)-1-ethyltricyclo[4.2.1.1^{2,5}]dec-3-en-9-one and Tricyclo[4.2.1.12,5]dec-3-en-9-one, 1-ethyl-, (1R,2R,5S,6S)-rel- (9CI). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
640756-28-1
Jingsj CID
J-1917431-6
Molecular Formula
C12H16O
Chinese Name
(1R,2R,5S,6S)-rel-(9CI)-1-乙基-三环[4.2.1.1²,⁵]-3-癸烯-9-酮
Molecular Weight
176.25500 g/mol
Category
Ketones
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of (1R,2R,5S,6S)-1-Ethyltricyclo[4.2.1.1²,⁵]dec-3-en-9-one?

The CAS number of (1R,2R,5S,6S)-1-Ethyltricyclo[4.2.1.1²,⁵]dec-3-en-9-one is 640756-28-1.

What are the molecular formula and molecular weight of (1R,2R,5S,6S)-1-Ethyltricyclo[4.2.1.1²,⁵]dec-3-en-9-one?

(1R,2R,5S,6S)-1-Ethyltricyclo[4.2.1.1²,⁵]dec-3-en-9-one has molecular formula C12H16O and molecular weight 176.25500 g/mol.

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

Last updated:

How to cite: Jingsj. "(1R,2R,5S,6S)-1-Ethyltricyclo[4.2.1.1²,⁵]dec-3-en-9-one (CAS 640756-28-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1917431-6 (accessed 2026-10-25).

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