Ethyl 2-cyclopentyl-3-oxobutanoate

α-乙酰环戊烷乙酸乙酯

Also known as: Ethyl α-acetylcyclopentaneacetate, Ethyl α-cyclopentylacetoacetate, Ethyl 2-cyclopentylacetoacetate, 2-Cyclopentyl-3-oxobutyric acid ethyl ester, 2-Cyclopentyl-3-oxobutanoic acid ethyl ester, Cyclopentaneacetic acid, α-acetyl-, ethyl ester, Ethyl 2-cyclopentyl-3-oxobutanoate, FR-2068, TIMTEC-BB SBB008444

Ethyl 2-cyclopentyl-3-oxobutanoate (CAS 1540-32-5) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C11H18O3 and a molecular weight of 198.25900 g/mol. It is also known as Ethyl α-acetylcyclopentaneacetate, Ethyl α-cyclopentylacetoacetate and Ethyl 2-cyclopentylacetoacetate. Key properties include a boiling point of 266.7ºC at 760 mmHg, a density of 1.038g/cm3 and a flash point of 111.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1540-32-5
Jingsj CID
J-1413005-4
Molecular Formula
C11H18O3
Chinese Name
α-乙酰环戊烷乙酸乙酯
Molecular Weight
198.25900 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point266.7ºC at 760 mmHg
Density1.038g/cm3
Flash Point111.2ºC

Frequently Asked Questions

What is the CAS number of Ethyl 2-cyclopentyl-3-oxobutanoate?

The CAS number of Ethyl 2-cyclopentyl-3-oxobutanoate is 1540-32-5.

What are the molecular formula and molecular weight of Ethyl 2-cyclopentyl-3-oxobutanoate?

Ethyl 2-cyclopentyl-3-oxobutanoate has molecular formula C11H18O3 and molecular weight 198.25900 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl 2-cyclopentyl-3-oxobutanoate (CAS 1540-32-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1413005-4 (accessed 2026-10-22).

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