2-bromo-1-(5-phenylthiophen-2-yl)ethan-1-one

2-溴-1-(5-苯基-2-噻吩基)-1-乙酮

Also known as: 2-bromo-1-(5-phenyl-2-thienyl)-1-ethanone, 2-bromo-1-(5-phenyl-2-thienyl)ethanone, 2-bromo-1-(5-phenylthien-2-yl)ethan-1-one, 2-bromo-1-(5-phenyl-2-thiophenyl)ethanone, 2-bromo-1-(5-phenyl-thiophen-2-yl)-ethanone, 2-(bromoacetyl)-5-phenylthiophene, bromomethyl 5-phenyl-2-thienyl ketone, Ethanone, 2-bromo-1-(5-phenyl-2-thienyl)-

2-bromo-1-(5-phenylthiophen-2-yl)ethan-1-one (CAS 10531-43-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H9BrOS and a molecular weight of 281.16800 g/mol. It is also known as 2-bromo-1-(5-phenyl-2-thienyl)-1-ethanone, 2-bromo-1-(5-phenyl-2-thienyl)ethanone and 2-bromo-1-(5-phenylthien-2-yl)ethan-1-one. Key properties include a melting point of 115ºC, a boiling point of 407.1ºC at 760mmHg, a density of 1.488g/cm3 and a flash point of 200ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
10531-43-8
Jingsj CID
J-1081521-8
Molecular Formula
C12H9BrOS
Chinese Name
2-溴-1-(5-苯基-2-噻吩基)-1-乙酮
Molecular Weight
281.16800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point115ºC
Boiling Point407.1ºC at 760mmHg
Density1.488g/cm3
Flash Point200ºC

Frequently Asked Questions

What is the CAS number of 2-bromo-1-(5-phenylthiophen-2-yl)ethan-1-one?

The CAS number of 2-bromo-1-(5-phenylthiophen-2-yl)ethan-1-one is 10531-43-8.

What are the molecular formula and molecular weight of 2-bromo-1-(5-phenylthiophen-2-yl)ethan-1-one?

2-bromo-1-(5-phenylthiophen-2-yl)ethan-1-one has molecular formula C12H9BrOS and molecular weight 281.16800 g/mol.

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

Last updated:

How to cite: Jingsj. "2-bromo-1-(5-phenylthiophen-2-yl)ethan-1-one (CAS 10531-43-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1081521-8 (accessed 2026-10-22).

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