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3,4-dimethylthieno[2,3-b]thiophene

3,4-二甲基噻吩并[2,3-b]噻吩

Also known as: 3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE, 3,4-DIMETHYLTHIENO(B)THIOPHENE, 3,4-DIMETHYLTHIENO(B)THIOPHENE 97%, 3,4-Dimethylthieno[2,3-b]thiophene in isooctane, 3,4-dimethyl thieno[2,3-b]thiophene, BUTTPARK 33\11-63, Thieno[2,3-b]thiophene, 3,4-dimethyl-

3,4-dimethylthieno[2,3-b]thiophene (CAS 175202-58-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8S2 and a molecular weight of 168.27900 g/mol. It is also known as 3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE, 3,4-DIMETHYLTHIENO(B)THIOPHENE and 3,4-DIMETHYLTHIENO(B)THIOPHENE 97%. Key properties include a melting point of 72-74ºC, a boiling point of 272.6ºC at 760mmHg, a density of 1.245g/cm3 and a flash point of 86.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
175202-58-1
Jingsj CID
J-35643-1
Molecular Formula
C8H8S2
Chinese Name
3,4-二甲基噻吩并[2,3-b]噻吩
Molecular Weight
168.27900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point72-74ºC
Boiling Point272.6ºC at 760mmHg
Density1.245g/cm3
Flash Point86.4ºC

Frequently Asked Questions

What is the CAS number of 3,4-dimethylthieno[2,3-b]thiophene?

The CAS number of 3,4-dimethylthieno[2,3-b]thiophene is 175202-58-1.

What are the molecular formula and molecular weight of 3,4-dimethylthieno[2,3-b]thiophene?

3,4-dimethylthieno[2,3-b]thiophene has molecular formula C8H8S2 and molecular weight 168.27900 g/mol.

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

Last updated:

How to cite: Jingsj. "3,4-dimethylthieno[2,3-b]thiophene (CAS 175202-58-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35643-1 (accessed 2026-10-23).

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