Ethyl 4-oxotetrahydrothiophene-3-carboxylate

4-氧代四氢噻吩-3-羧酸乙酯

Also known as: 4-Ethoxycarbonylthiolan-3-one, NSC 215273, ethyl 4-oxothiolane-3-carboxylate, Tetrahydro-4-oxo-3-thiophenecarboxylic acid ethyl ester, 3-Thiophenecarboxylic acid, tetrahydro-4-oxo-, ethyl ester

Ethyl 4-oxotetrahydrothiophene-3-carboxylate (CAS 78647-31-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H10O3S and a molecular weight of 174.21700 g/mol. It is also known as 4-Ethoxycarbonylthiolan-3-one, NSC 215273 and ethyl 4-oxothiolane-3-carboxylate. Key properties include a boiling point of 263.6ºC at 760 mmHg, a density of 1.255g/cm3 and a flash point of 122.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
78647-31-1
Jingsj CID
J-917524-8
Molecular Formula
C7H10O3S
Chinese Name
4-氧代四氢噻吩-3-羧酸乙酯
Molecular Weight
174.21700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point263.6ºC at 760 mmHg
Density1.255g/cm3
Flash Point122.5ºC

Frequently Asked Questions

What is the CAS number of Ethyl 4-oxotetrahydrothiophene-3-carboxylate?

The CAS number of Ethyl 4-oxotetrahydrothiophene-3-carboxylate is 78647-31-1.

What are the molecular formula and molecular weight of Ethyl 4-oxotetrahydrothiophene-3-carboxylate?

Ethyl 4-oxotetrahydrothiophene-3-carboxylate has molecular formula C7H10O3S and molecular weight 174.21700 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl 4-oxotetrahydrothiophene-3-carboxylate (CAS 78647-31-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-917524-8 (accessed 2026-10-24).

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