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Ethyl 2-cyclopentyl-2-oxoacetate

Also known as: Ethyl cyclopentyl(oxo)acetate, Cyclopentyl-oxo-acetic acid ethyl ester, Cyclopentaneacetic acid, α-oxo-, ethyl ester, Ethyl α-oxocyclopentaneacetate, LPHE-003, ethyl cyclopentylpyruvate

Ethyl 2-cyclopentyl-2-oxoacetate (CAS 33537-18-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C9H14O3 and a molecular weight of 170.206 g/mol. Key properties include a boiling point of 245.8±7.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 102.5±15.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33537-18-7
Jingsj CID
J-1154126-7
Molecular Formula
C9H14O3
Molecular Weight
170.206 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point245.8±7.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point102.5±15.4 °C
Exact Mass170.094299
PSA43.37000
LogP1.54
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.466

Customs & Trade Information

HS Code2918300090
Summary2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Ethyl 2-cyclopentyl-2-oxoacetate?

The CAS number of Ethyl 2-cyclopentyl-2-oxoacetate is 33537-18-7.

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

Ethyl 2-cyclopentyl-2-oxoacetate has molecular formula C9H14O3 and molecular weight 170.206 g/mol.

What are the upstream and downstream products of Ethyl 2-cyclopentyl-2-oxoacetate?

For Ethyl 2-cyclopentyl-2-oxoacetate, Upstream Products: Cyclopentanone, Diethyl oxalate, Ethanol; Downstream Products: Ethyl 1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylate.

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

Last updated:

How to cite: Jingsj. "Ethyl 2-cyclopentyl-2-oxoacetate (CAS 33537-18-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1154126-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.