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2,5-Dimethylthiophene-3-carbaldehyde

2,5-二甲基噻吩-3-甲醛

Also known as: 2,5-DIMETHYL-3-FORMYLTHIOPHENE, 2,5-DIMETHYL-THIOPHENE-3-CARBALDEHYDE, 2,5-DIMETHYLTHIOPHENE-3-CARBOXALDEHYDE, 2,5-Dimethylthiophene-3-carboxaldehyde, AKOS B018517, ART-CHEM-BB B018517, MFCD03426895, TIMTEC-BB SBB009464

2,5-Dimethylthiophene-3-carbaldehyde (CAS 26421-44-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8OS and a molecular weight of 140.20300 g/mol. It is also known as 2,5-DIMETHYL-3-FORMYLTHIOPHENE, 2,5-DIMETHYL-THIOPHENE-3-CARBALDEHYDE and 2,5-DIMETHYLTHIOPHENE-3-CARBOXALDEHYDE. Key properties include a boiling point of 218ºC at 760mmHg, a density of 1.138g/cm3 and a flash point of 86ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26421-44-3
Jingsj CID
J-1442202-5
Molecular Formula
C7H8OS
Chinese Name
2,5-二甲基噻吩-3-甲醛
Molecular Weight
140.20300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point218ºC at 760mmHg
Density1.138g/cm3
Flash Point86ºC

Frequently Asked Questions

What is the CAS number of 2,5-Dimethylthiophene-3-carbaldehyde?

The CAS number of 2,5-Dimethylthiophene-3-carbaldehyde is 26421-44-3.

What are the molecular formula and molecular weight of 2,5-Dimethylthiophene-3-carbaldehyde?

2,5-Dimethylthiophene-3-carbaldehyde has molecular formula C7H8OS and molecular weight 140.20300 g/mol.

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

Last updated:

How to cite: Jingsj. "2,5-Dimethylthiophene-3-carbaldehyde (CAS 26421-44-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1442202-5 (accessed 2026-10-22).

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