5-bromo-1-benzothiophene-2-carbonyl chloride

5-溴-1-苯并噻吩-2-羰酰氯

Also known as: 5-Bromo-1-benzothiophene-2-carbonyl chloride, Benzo[b]thiophene-2-carbonyl chloride, 5-bromo-, MFCD05664419, 5-Bromobenzo[b]thiophene-2-carbonyl chloride, 5-Bromo-1-benzothiophene-2-carboxylic acid chloride

5-bromo-1-benzothiophene-2-carbonyl chloride (CAS 7312-14-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H4BrClOS and a molecular weight of 275.54900 g/mol. It is also known as 5-Bromo-1-benzothiophene-2-carbonyl chloride, Benzo[b]thiophene-2-carbonyl chloride, 5-bromo- and MFCD05664419. Key properties include a boiling point of 364.8ºC at 760 mmHg, a density of 1.77 g/cm3 and a flash point of 174.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7312-14-3
Jingsj CID: J-1306582-5
Molecular Formula: C₉H₄BrClOS
Chinese Name: 5-溴-1-苯并噻吩-2-羰酰氯
Molecular Weight: 275.54900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	364.8ºC at 760 mmHg
Density	1.77 g/cm3
Flash Point	174.4ºC

Frequently Asked Questions

What is the CAS number of 5-bromo-1-benzothiophene-2-carbonyl chloride?

The CAS number of 5-bromo-1-benzothiophene-2-carbonyl chloride is 7312-14-3.

What are the molecular formula and molecular weight of 5-bromo-1-benzothiophene-2-carbonyl chloride?

5-bromo-1-benzothiophene-2-carbonyl chloride has molecular formula C9H4BrClOS and molecular weight 275.54900 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-bromo-1-benzothiophene-2-carbonyl chloride (CAS 7312-14-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1306582-5 (accessed 2026-10-24).

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