1-(4-Chlorothiophen-2-yl)ethanone
2-乙酰基-4-氯噻吩
Also known as: 2-Acetyl-4-chlorothiophene, 4-Chloro-2-acetylthiophene, 1-(4-Chloro-2-thienyl)ethanone, Ethanone, 1-(4-chloro-2-thienyl)-, T5SJ BV1 DG
1-(4-Chlorothiophen-2-yl)ethanone (CAS 34730-20-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5ClOS and a molecular weight of 160.621 g/mol. It is also known as 2-Acetyl-4-chlorothiophene, 4-Chloro-2-acetylthiophene and 1-(4-Chloro-2-thienyl)ethanone. Key properties include a boiling point of 263.0±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 112.9±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 34730-20-6
- Jingsj CID
- J-1036110-2
- Molecular Formula
- C6H5ClOS
- Chinese Name
- 2-乙酰基-4-氯噻吩
- Molecular Weight
- 160.621 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 263.0±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 112.9±23.2 °C |
Frequently Asked Questions
What is the CAS number of 1-(4-Chlorothiophen-2-yl)ethanone?
The CAS number of 1-(4-Chlorothiophen-2-yl)ethanone is 34730-20-6.
What are the molecular formula and molecular weight of 1-(4-Chlorothiophen-2-yl)ethanone?
1-(4-Chlorothiophen-2-yl)ethanone has molecular formula C6H5ClOS and molecular weight 160.621 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-Chlorothiophen-2-yl)ethanone (CAS 34730-20-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1036110-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.