5-Chlorobenzo[c]isothiazole
5-氯苯并[c]异噻唑
Also known as: 5-chloro-2,1-benzisothiazole, 5-chloro-2,1-benzothiazole, 2,1-Benzisothiazole, 5-chloro-, 5-Chlor-2,1-benzisothiazol, 5-Chlor-2,1-benzoisothiazol
5-Chlorobenzo[c]isothiazole (CAS 20712-05-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H4ClNS and a molecular weight of 169.63100 g/mol. It is also known as 5-chloro-2,1-benzisothiazole, 5-chloro-2,1-benzothiazole and 2,1-Benzisothiazole, 5-chloro-. Key properties include a boiling point of 261.059ºC at 760 mmHg, a density of 1.435g/cm3 and a flash point of 111.685ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20712-05-4
- Jingsj CID
- J-1499863-0
- Molecular Formula
- C7H4ClNS
- Chinese Name
- 5-氯苯并[c]异噻唑
- Molecular Weight
- 169.63100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 261.059ºC at 760 mmHg |
|---|---|
| Density | 1.435g/cm3 |
| Flash Point | 111.685ºC |
Frequently Asked Questions
What is the CAS number of 5-Chlorobenzo[c]isothiazole?
The CAS number of 5-Chlorobenzo[c]isothiazole is 20712-05-4.
What are the molecular formula and molecular weight of 5-Chlorobenzo[c]isothiazole?
5-Chlorobenzo[c]isothiazole has molecular formula C7H4ClNS and molecular weight 169.63100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Chlorobenzo[c]isothiazole (CAS 20712-05-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499863-0 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.