Methyl 2-formyl-4-thiophenecarboxylate

2-醛基噻吩-4-甲酸甲酯

Also known as: 5-formyl-3-thiophene carboxylic acid methylester, methyl 5-formylthiophene-3-carboxylate, methyl 2-formylthiophene-4-carboxylate, 3-thiophenecarboxylic acid, 5-formyl-, methyl ester, methyl 5-formyl-3-thiophenecarboxylate, 2-formylthiophene-4-carboxylic acid methyl ester

Methyl 2-formyl-4-thiophenecarboxylate (CAS 67808-66-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6O3S and a molecular weight of 170.186 g/mol. It is also known as 5-formyl-3-thiophene carboxylic acid methylester, methyl 5-formylthiophene-3-carboxylate and methyl 2-formylthiophene-4-carboxylate. Key properties include a melting point of 113-116°C, a boiling point of 296.0±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 132.8±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
67808-66-6
Jingsj CID
J-32781-1
Molecular Formula
C7H6O3S
Chinese Name
2-醛基噻吩-4-甲酸甲酯
Molecular Weight
170.186 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point113-116°C
Boiling Point296.0±25.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point132.8±23.2 °C

Frequently Asked Questions

What is the CAS number of Methyl 2-formyl-4-thiophenecarboxylate?

The CAS number of Methyl 2-formyl-4-thiophenecarboxylate is 67808-66-6.

What are the molecular formula and molecular weight of Methyl 2-formyl-4-thiophenecarboxylate?

Methyl 2-formyl-4-thiophenecarboxylate has molecular formula C7H6O3S and molecular weight 170.186 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl 2-formyl-4-thiophenecarboxylate (CAS 67808-66-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32781-1 (accessed 2026-10-25).

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