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2,2'-Bithiophene-5-carbonyl chloride

2,2'-联噻吩-5-羰酰氯

Also known as: 2,2'-bithienyl-5-carboxylic acid chloride, 5-(2'-thienyl)-2-thenoyl chloride, 5-thiophen-2-ylthiophene-2-carbonyl chloride, [2,2'-Bithiophene]-5-carbonyl chloride

2,2'-Bithiophene-5-carbonyl chloride (CAS 135887-26-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5ClOS2 and a molecular weight of 228.71800 g/mol. It is also known as 2,2'-bithienyl-5-carboxylic acid chloride, 5-(2'-thienyl)-2-thenoyl chloride and 5-thiophen-2-ylthiophene-2-carbonyl chloride. Key properties include a melting point of 73.3-74.4ºC, a boiling point of 346.8ºC at 760mmHg, a density of 1.428g/cm3 and a flash point of 163.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
135887-26-2
Jingsj CID
J-994466-8
Molecular Formula
C9H5ClOS2
Chinese Name
2,2'-联噻吩-5-羰酰氯
Molecular Weight
228.71800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point73.3-74.4ºC
Boiling Point346.8ºC at 760mmHg
Density1.428g/cm3
Flash Point163.5ºC

Frequently Asked Questions

What is the CAS number of 2,2'-Bithiophene-5-carbonyl chloride?

The CAS number of 2,2'-Bithiophene-5-carbonyl chloride is 135887-26-2.

What are the molecular formula and molecular weight of 2,2'-Bithiophene-5-carbonyl chloride?

2,2'-Bithiophene-5-carbonyl chloride has molecular formula C9H5ClOS2 and molecular weight 228.71800 g/mol.

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

Last updated:

How to cite: Jingsj. "2,2'-Bithiophene-5-carbonyl chloride (CAS 135887-26-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-994466-8 (accessed 2026-10-24).

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