4-Chloro-1-benzothiophene
Also known as: 4-chlorobenzo[b]thiophene, 4-chloro-benzo[b]thiophene, 4-chlorobenzothiophene, Benzo[b]thiophene, 4-chloro-
4-Chloro-1-benzothiophene (CAS 66490-33-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5ClS and a molecular weight of 168.643 g/mol. Key properties include a boiling point of 261.5±13.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 147.6±6.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66490-33-3
- Jingsj CID
- J-1384125-3
- Molecular Formula
- C8H5ClS
- Molecular Weight
- 168.643 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 261.5±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 147.6±6.5 °C |
| Exact Mass | 167.980042 |
| PSA | 28.24000 |
| LogP | 4.88 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.683 |
Frequently Asked Questions
What is the CAS number of 4-Chloro-1-benzothiophene?
The CAS number of 4-Chloro-1-benzothiophene is 66490-33-3.
What are the molecular formula and molecular weight of 4-Chloro-1-benzothiophene?
4-Chloro-1-benzothiophene has molecular formula C8H5ClS and molecular weight 168.643 g/mol.
What are the upstream and downstream products of 4-Chloro-1-benzothiophene?
For 4-Chloro-1-benzothiophene, Upstream Products: 4-Chlorobenzo[b]thiophene-2-carboxylic acid, 2,6-Dichlorobenzaldehyde, (5E)-5-(2,6-Dichlorobenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chloro-1-benzothiophene (CAS 66490-33-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1384125-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.