1-Benzothiophen-5-yl isocyanate
1-苯并噻吩-5-基异氰酸酯
Also known as: 5-isocyanato-1-benzothiophene, Benzo[b]thiophen-5-yl isocyanate, 5-Isocyanato-benzo[b]thiophene, 5-benzo[b]thiophenyl isocyanate, 5-benzothienyl isocyanate
1-Benzothiophen-5-yl isocyanate (CAS 239097-78-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5NOS and a molecular weight of 175.20700 g/mol. It is also known as 5-isocyanato-1-benzothiophene, Benzo[b]thiophen-5-yl isocyanate and 5-Isocyanato-benzo[b]thiophene. Key properties include a melting point of 58ºC, a boiling point of 281ºC at 760mmHg, a density of 1.28g/cm3 and a flash point of 123.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 239097-78-0
- Jingsj CID
- J-1436067-7
- Molecular Formula
- C9H5NOS
- Chinese Name
- 1-苯并噻吩-5-基异氰酸酯
- Molecular Weight
- 175.20700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 58ºC |
|---|---|
| Boiling Point | 281ºC at 760mmHg |
| Density | 1.28g/cm3 |
| Flash Point | 123.7ºC |
Frequently Asked Questions
What is the CAS number of 1-Benzothiophen-5-yl isocyanate?
The CAS number of 1-Benzothiophen-5-yl isocyanate is 239097-78-0.
What are the molecular formula and molecular weight of 1-Benzothiophen-5-yl isocyanate?
1-Benzothiophen-5-yl isocyanate has molecular formula C9H5NOS and molecular weight 175.20700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Benzothiophen-5-yl isocyanate (CAS 239097-78-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1436067-7 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.