![Molecular structure of Benzo[b]thiophene-7-carbonitrile (CAS 22780-71-8)](/images/chem_structures_svg/143/22780-71-8.svg)
Benzo[b]thiophene-7-carbonitrile
Also known as: 7-Cyano-benzo[b]thiophene, 7-CYANO-BENZO[B]THIOPHENE, 1-Benzothiophene-7-carbonitrile, 7-Cyano-1-benzothiophene, Benzo[b]thiophen-7-carbonitrile, Benzothiophene-7-carbonitrile
Benzo[b]thiophene-7-carbonitrile (CAS 22780-71-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5NS and a molecular weight of 159.20800 g/mol. Key properties include a melting point of 67.5ºC, a boiling point of 312.7ºC at 760 mmHg, a density of 1.28g/cm3 and a flash point of 142.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22780-71-8
- Jingsj CID
- J-1424003-0
- Molecular Formula
- C9H5NS
- Molecular Weight
- 159.20800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 67.5ºC |
|---|---|
| Boiling Point | 312.7ºC at 760 mmHg |
| Density | 1.28g/cm3 |
| Flash Point | 142.9ºC |
| Exact Mass | 159.01400 |
| PSA | 52.03000 |
| LogP | 2.77298 |
| Vapor Pressure | 0.000522mmHg at 25°C |
| Refractive Index | 1.68 |
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 Benzo[b]thiophene-7-carbonitrile?
The CAS number of Benzo[b]thiophene-7-carbonitrile is 22780-71-8.
What are the molecular formula and molecular weight of Benzo[b]thiophene-7-carbonitrile?
Benzo[b]thiophene-7-carbonitrile has molecular formula C9H5NS and molecular weight 159.20800 g/mol.
What are the upstream and downstream products of Benzo[b]thiophene-7-carbonitrile?
For Benzo[b]thiophene-7-carbonitrile, Upstream Products: 7-Bromobenzo[b]thiophene, Zinc cyanide; Downstream Products: Benzo[b]thiophene-7-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzo[b]thiophene-7-carbonitrile (CAS 22780-71-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1424003-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.