1-(4-Bromo-5-chloro-2-thienyl)-2-chloroethan-1-one

1-(4-溴-5-氯-2-噻吩基)-2-氯乙醛-1-酮

Also known as: 1-(4-Bromo-5-chloro-2-thienyl)-2-chloroethanone, 1-(4-Bromo-5-chlorothiophen-2-yl)-2-chloroethan-1-one, 1-(4-Bromo-5-chlorothiophen-2-yl)-2-chloroethanone, Ethanone,1-(4-bromo-5-chloro-2-thienyl)-2-chloro-

1-(4-Bromo-5-chloro-2-thienyl)-2-chloroethan-1-one (CAS 306935-99-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H3BrCl2OS and a molecular weight of 273.96200 g/mol. It is also known as 1-(4-Bromo-5-chloro-2-thienyl)-2-chloroethanone, 1-(4-Bromo-5-chlorothiophen-2-yl)-2-chloroethan-1-one and 1-(4-Bromo-5-chlorothiophen-2-yl)-2-chloroethanone. Key properties include a boiling point of 373.8ºC at 760mmHg, a density of 1.826g/cm3 and a flash point of 179.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
306935-99-9
Jingsj CID
J-1093330-9
Molecular Formula
C6H3BrCl2OS
Chinese Name
1-(4-溴-5-氯-2-噻吩基)-2-氯乙醛-1-酮
Molecular Weight
273.96200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point373.8ºC at 760mmHg
Density1.826g/cm3
Flash Point179.9ºC

Frequently Asked Questions

What is the CAS number of 1-(4-Bromo-5-chloro-2-thienyl)-2-chloroethan-1-one?

The CAS number of 1-(4-Bromo-5-chloro-2-thienyl)-2-chloroethan-1-one is 306935-99-9.

What are the molecular formula and molecular weight of 1-(4-Bromo-5-chloro-2-thienyl)-2-chloroethan-1-one?

1-(4-Bromo-5-chloro-2-thienyl)-2-chloroethan-1-one has molecular formula C6H3BrCl2OS and molecular weight 273.96200 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(4-Bromo-5-chloro-2-thienyl)-2-chloroethan-1-one (CAS 306935-99-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1093330-9 (accessed 2026-10-24).

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