5-(Benzenesulfonyl)thiophene-2-sulfonyl chloride
5-(苯磺酰)噻吩-2-磺酰氯
Also known as: 5-(Phenylsulfonyl)thiophene-2-sulfonyl chloride, 5-Benzenesulfonylthiophene-2-sulfonyl chloride, 2-Benzenesulfonylthiophene-5-sulfonyl chloride, 5-(Benzenesulphonyl)thiophene-2-sulphonyl chloride, 5-(Phenylsulphonyl)thiophene-2-sulphonyl chloride, 5-Benzenesulfonyl-thiophene-2-sulfonyl chloride, 5-(Benzenesulfonyl)-2-thiophenesulfonyl chloride
5-(Benzenesulfonyl)thiophene-2-sulfonyl chloride (CAS 166964-37-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7ClO4S3 and a molecular weight of 322.80800 g/mol. It is also known as 5-(Phenylsulfonyl)thiophene-2-sulfonyl chloride, 5-Benzenesulfonylthiophene-2-sulfonyl chloride and 2-Benzenesulfonylthiophene-5-sulfonyl chloride. Key properties include a melting point of 102.5ºC, a boiling point of 519.7ºC at 760mmHg, a density of 1.582g/cm3 and a flash point of 268.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 166964-37-0
- Jingsj CID
- J-37089-7
- Molecular Formula
- C10H7ClO4S3
- Chinese Name
- 5-(苯磺酰)噻吩-2-磺酰氯
- Molecular Weight
- 322.80800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 102.5ºC |
|---|---|
| Boiling Point | 519.7ºC at 760mmHg |
| Density | 1.582g/cm3 |
| Flash Point | 268.1ºC |
Frequently Asked Questions
What is the CAS number of 5-(Benzenesulfonyl)thiophene-2-sulfonyl chloride?
The CAS number of 5-(Benzenesulfonyl)thiophene-2-sulfonyl chloride is 166964-37-0.
What are the molecular formula and molecular weight of 5-(Benzenesulfonyl)thiophene-2-sulfonyl chloride?
5-(Benzenesulfonyl)thiophene-2-sulfonyl chloride has molecular formula C10H7ClO4S3 and molecular weight 322.80800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(Benzenesulfonyl)thiophene-2-sulfonyl chloride (CAS 166964-37-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37089-7 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.