2-chloro-1-(2,5-dimethylthiophen-3-yl)ethanone
Also known as: 2,5-dimethyl-3-chloroacetylthiophene, 2-chloro-1-(2,5-dimethylthien-3-yl)ethanone, 2-chloro-1-(2,5-dimethyl-3-thienyl)ethanone, 2-chloro-1-(2,5-dimethyl-thiophen-3-yl)-ethanone, 2-chloro-1-(2,5-dimethylthien-3-yl)ethanone, 3-chloracetyl-2,5-dimethylthiophen, Ethanone, 2-chloro-1-(2,5-dimethyl-3-thienyl)-
2-chloro-1-(2,5-dimethylthiophen-3-yl)ethanone (CAS 31772-43-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9ClOS and a molecular weight of 188.67400 g/mol. Key properties include a boiling point of 276.7ºC at 760mmHg, a density of 1.222g/cm3 and a flash point of 121.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31772-43-7
- Jingsj CID
- J-1366821-8
- Molecular Formula
- C8H9ClOS
- Molecular Weight
- 188.67400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 276.7ºC at 760mmHg |
|---|---|
| Density | 1.222g/cm3 |
| Flash Point | 121.1ºC |
| Exact Mass | 188.00600 |
| PSA | 45.31000 |
| LogP | 2.78640 |
| Refractive Index | 1.549 |
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-chloro-1-(2,5-dimethylthiophen-3-yl)ethanone?
The CAS number of 2-chloro-1-(2,5-dimethylthiophen-3-yl)ethanone is 31772-43-7.
What are the molecular formula and molecular weight of 2-chloro-1-(2,5-dimethylthiophen-3-yl)ethanone?
2-chloro-1-(2,5-dimethylthiophen-3-yl)ethanone has molecular formula C8H9ClOS and molecular weight 188.67400 g/mol.
What are the upstream and downstream products of 2-chloro-1-(2,5-dimethylthiophen-3-yl)ethanone?
For 2-chloro-1-(2,5-dimethylthiophen-3-yl)ethanone, Upstream Products: 2,5-Dimethylthiophene, Chloroacetyl chloride.
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-chloro-1-(2,5-dimethylthiophen-3-yl)ethanone (CAS 31772-43-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1366821-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.