2,5-Diethynylthieno[3,2-b]thiophene

2,5-二乙炔基噻吩并[3,2-b]噻吩

Also known as: 2,5-diethynylthieno[3,2-b]thiophene, Thieno[3,2-b]thiophene, 2,5-diethynyl-

2,5-Diethynylthieno[3,2-b]thiophene (CAS 139896-69-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H4S2 and a molecular weight of 188.3 g/mol. It is also known as 2,5-diethynylthieno[3,2-b]thiophene and Thieno[3,2-b]thiophene, 2,5-diethynyl-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
139896-69-8
Jingsj CID
J-761746-1
Molecular Formula
C10H4S2
Chinese Name
2,5-二乙炔基噻吩并[3,2-b]噻吩
Molecular Weight
188.3 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 2,5-Diethynylthieno[3,2-b]thiophene?

The CAS number of 2,5-Diethynylthieno[3,2-b]thiophene is 139896-69-8.

What are the molecular formula and molecular weight of 2,5-Diethynylthieno[3,2-b]thiophene?

2,5-Diethynylthieno[3,2-b]thiophene has molecular formula C10H4S2 and molecular weight 188.3 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-Diethynylthieno[3,2-b]thiophene (CAS 139896-69-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-761746-1 (accessed 2026-10-24).

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