Ethyl 3-methyl-2-oxopentanoate

3-甲基-2-氧代戊酸乙酯

Also known as: Pentanoic acid, 3-methyl-2-oxo-, ethyl ester, 3-Methyl-2-oxo-valeric Acid Ethyl Ester, Ethyl 3-methyl-2-oxopentanoate, 3-Methyl-2-oxo-valeriansaeure-aethylester, ethyl 3-methyl-2-oxopentanoate, ethyl methyl-2-oxopentanoate

Ethyl 3-methyl-2-oxopentanoate (CAS 26516-27-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O3 and a molecular weight of 158.19500 g/mol. It is also known as Pentanoic acid, 3-methyl-2-oxo-, ethyl ester, 3-Methyl-2-oxo-valeric Acid Ethyl Ester and 3-Methyl-2-oxo-valeriansaeure-aethylester. Key properties include a boiling point of 205.2ºC at 760 mmHg, a density of 0.979g/cm3 and a flash point of 77.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26516-27-8
Jingsj CID
J-1147550-3
Molecular Formula
C8H14O3
Chinese Name
3-甲基-2-氧代戊酸乙酯
Molecular Weight
158.19500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point205.2ºC at 760 mmHg
Density0.979g/cm3
Flash Point77.1ºC

Frequently Asked Questions

What is the CAS number of Ethyl 3-methyl-2-oxopentanoate?

The CAS number of Ethyl 3-methyl-2-oxopentanoate is 26516-27-8.

What are the molecular formula and molecular weight of Ethyl 3-methyl-2-oxopentanoate?

Ethyl 3-methyl-2-oxopentanoate has molecular formula C8H14O3 and molecular weight 158.19500 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl 3-methyl-2-oxopentanoate (CAS 26516-27-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1147550-3 (accessed 2026-10-25).

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