5-Ethynylthiophene-2-carbaldehyde

5-乙炔基噻吩-2-甲醛

Also known as: 2-Thiophenecarboxaldehyde,5-ethynyl, 5-ethynylthiophene-2-carboxaldehyde

5-Ethynylthiophene-2-carbaldehyde (CAS 206768-21-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H4OS and a molecular weight of 136.17100 g/mol. It is also known as 2-Thiophenecarboxaldehyde,5-ethynyl and 5-ethynylthiophene-2-carboxaldehyde. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
206768-21-0
Jingsj CID
J-1512265-2
Molecular Formula
C7H4OS
Chinese Name
5-乙炔基噻吩-2-甲醛
Molecular Weight
136.17100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-Ethynylthiophene-2-carbaldehyde?

The CAS number of 5-Ethynylthiophene-2-carbaldehyde is 206768-21-0.

What are the molecular formula and molecular weight of 5-Ethynylthiophene-2-carbaldehyde?

5-Ethynylthiophene-2-carbaldehyde has molecular formula C7H4OS and molecular weight 136.17100 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Ethynylthiophene-2-carbaldehyde (CAS 206768-21-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512265-2 (accessed 2026-10-24).

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