2-Bromo-5-chlorothiophene

2-溴-5-氯噻吩

Also known as: 2-Chloro-5-bromothiophene, 5-Bromo-2-chlorothiophene, α-Bromo-α-chlorothiophene, Thiophene, 2-bromo-5-chloro-, Rivaroxaban Impurity 123, 2-Bromo-5-chlorothiophene 98%, 2-CHLORO-5-BROMO THIOPHENE, EINECS 220-708-5, MFCD00014523

2-Bromo-5-chlorothiophene (CAS 2873-18-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2BrClS and a molecular weight of 197.481 g/mol. It is also known as 2-Chloro-5-bromothiophene, 5-Bromo-2-chlorothiophene and α-Bromo-α-chlorothiophene. Key properties include a boiling point of 176.5±0.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 85.0±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2873-18-9
Jingsj CID
J-1150582-2
Molecular Formula
C4H2BrClS
Chinese Name
2-溴-5-氯噻吩
Molecular Weight
197.481 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point176.5±0.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point85.0±0.0 °C

Frequently Asked Questions

What is the CAS number of 2-Bromo-5-chlorothiophene?

The CAS number of 2-Bromo-5-chlorothiophene is 2873-18-9.

What are the molecular formula and molecular weight of 2-Bromo-5-chlorothiophene?

2-Bromo-5-chlorothiophene has molecular formula C4H2BrClS and molecular weight 197.481 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-chlorothiophene (CAS 2873-18-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1150582-2 (accessed 2026-10-22).

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