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Methyl 3-ethoxythiophene-2-carboxylate

3-乙氧基噻吩-2-羧酸甲酯

Also known as: 3-ethoxythiophene-2-carboxylic acid methyl ester, methyl 3-etoxythiophene-2-carboxylate, methyl-3-ethoxythiophene carboxylate, 2-thiophenecarboxylic acid, 3-ethoxy-, methyl ester, MFCD00102116

Methyl 3-ethoxythiophene-2-carboxylate (CAS 139926-22-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10O3S and a molecular weight of 186.22800 g/mol. It is also known as 3-ethoxythiophene-2-carboxylic acid methyl ester, methyl 3-etoxythiophene-2-carboxylate and methyl-3-ethoxythiophene carboxylate. Key properties include a melting point of 72-74ºC, a boiling point of 271.2ºC at 760mmHg, a density of 1.183g/cm3 and a flash point of 117.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
139926-22-0
Jingsj CID
J-42179-3
Molecular Formula
C8H10O3S
Chinese Name
3-乙氧基噻吩-2-羧酸甲酯
Molecular Weight
186.22800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point72-74ºC
Boiling Point271.2ºC at 760mmHg
Density1.183g/cm3
Flash Point117.8ºC

Frequently Asked Questions

What is the CAS number of Methyl 3-ethoxythiophene-2-carboxylate?

The CAS number of Methyl 3-ethoxythiophene-2-carboxylate is 139926-22-0.

What are the molecular formula and molecular weight of Methyl 3-ethoxythiophene-2-carboxylate?

Methyl 3-ethoxythiophene-2-carboxylate has molecular formula C8H10O3S and molecular weight 186.22800 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl 3-ethoxythiophene-2-carboxylate (CAS 139926-22-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42179-3 (accessed 2026-10-24).

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