2-bromo-1-(5-chlorothiophen-2-yl)ethanone
Also known as: 2-Bromo-1-(5-chloro-2-thienyl)ethanone, 2-Bromo-1-(5-chloro-2-thienyl)ethan-1-one, 2-Bromo-1-(5-chlorothien-2-yl)ethanone, 2-Bromo-1-(5-chlorothien-2-yl)ethan-1-one, 2-(Bromoacetyl)-5-chlorothiophene, 2-BROMO-1-(5-CHLORO-2-THIENYL)-1-ETHANONE, 2-BROMO-1-(5-CHLORO-THIOPHEN-2-YL)-ETHANONE, 2-BROMO-1-(5-CHLOROTHIEN-2-YL)ETHANONE, AKOS BBS-00006555, MFCD00829820, TIMTEC-BB SBB005585
2-bromo-1-(5-chlorothiophen-2-yl)ethanone (CAS 57731-17-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4BrClOS and a molecular weight of 239.51700 g/mol. Key properties include a melting point of 73-75ºC, a boiling point of 309.2ºC at 760mmHg, a density of 1.766g/cm3 and a flash point of 140.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 57731-17-6
- Jingsj CID
- J-1471729-4
- Molecular Formula
- C6H4BrClOS
- Molecular Weight
- 239.51700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 73-75ºC |
|---|---|
| Boiling Point | 309.2ºC at 760mmHg |
| Density | 1.766g/cm3 |
| Flash Point | 140.8ºC |
| Exact Mass | 237.88500 |
| PSA | 45.31000 |
| LogP | 2.97910 |
| Refractive Index | 1.614 |
| Storage Conditions | Keep Cold |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone?
The CAS number of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone is 57731-17-6.
What are the molecular formula and molecular weight of 2-bromo-1-(5-chlorothiophen-2-yl)ethanone?
2-bromo-1-(5-chlorothiophen-2-yl)ethanone has molecular formula C6H4BrClOS and molecular weight 239.51700 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-bromo-1-(5-chlorothiophen-2-yl)ethanone (CAS 57731-17-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1471729-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.