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2-bromo-5-chloro-3-methylbenzo[b]thiophene

2-溴-5-氯-3-甲基苯并[b]噻吩

Also known as: 2-bromo-5-chloro-3-methyl-1-benzothiophene, 2-bromo-5-chloro-3-methylthianaphthene, buttpark 46\04-57, benzo[b]thiophene, 2-bromo-5-chloro-3-methyl-, MFCD00126363

2-bromo-5-chloro-3-methylbenzo[b]thiophene (CAS 175203-60-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6BrClS and a molecular weight of 261.56600 g/mol. It is also known as 2-bromo-5-chloro-3-methyl-1-benzothiophene, 2-bromo-5-chloro-3-methylthianaphthene and buttpark 46\04-57. Key properties include a melting point of 104 °C, a boiling point of 336.5ºC at 760mmHg, a density of 1.661g/cm3 and a flash point of 157.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
175203-60-8
Jingsj CID
J-17079-4
Molecular Formula
C9H6BrClS
Chinese Name
2-溴-5-氯-3-甲基苯并[b]噻吩
Molecular Weight
261.56600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point104 °C
Boiling Point336.5ºC at 760mmHg
Density1.661g/cm3
Flash Point157.3ºC

Frequently Asked Questions

What is the CAS number of 2-bromo-5-chloro-3-methylbenzo[b]thiophene?

The CAS number of 2-bromo-5-chloro-3-methylbenzo[b]thiophene is 175203-60-8.

What are the molecular formula and molecular weight of 2-bromo-5-chloro-3-methylbenzo[b]thiophene?

2-bromo-5-chloro-3-methylbenzo[b]thiophene has molecular formula C9H6BrClS and molecular weight 261.56600 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-5-chloro-3-methylbenzo[b]thiophene (CAS 175203-60-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17079-4 (accessed 2026-10-23).

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