![Molecular structure of Benzo[b]thiophen-3(2H)-one (CAS 130-03-0)](/images/chem_structures_svg/085/130-03-0.svg)
Benzo[b]thiophen-3(2H)-one
Also known as: 1-BENZOTHIOPHEN-3(2H)-ONE, 1-benzothiophen-3-one, 2H-1-benzothiophen-3-one, 2,3-dihydro-1-benzothiophen-3-one
Benzo[b]thiophen-3(2H)-one (CAS 130-03-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6OS and a molecular weight of 150.19800 g/mol. Key properties include a boiling point of 273.393ºC at 760 mmHg, a density of 1.312g/cm3 and a flash point of 143.683ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 130-03-0
- Jingsj CID
- J-11991-5
- Molecular Formula
- C8H6OS
- Molecular Weight
- 150.19800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 273.393ºC at 760 mmHg |
|---|---|
| Density | 1.312g/cm3 |
| Flash Point | 143.683ºC |
| Exact Mass | 150.01400 |
| PSA | 42.37000 |
| LogP | 1.97500 |
| Vapor Pressure | 0.006mmHg at 25°C |
| Refractive Index | 1.657 |
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]thiophen-3(2H)-one?
The CAS number of Benzo[b]thiophen-3(2H)-one is 130-03-0.
What are the molecular formula and molecular weight of Benzo[b]thiophen-3(2H)-one?
Benzo[b]thiophen-3(2H)-one has molecular formula C8H6OS and molecular weight 150.19800 g/mol.
What are the upstream and downstream products of Benzo[b]thiophen-3(2H)-one?
For Benzo[b]thiophen-3(2H)-one, Upstream Products: 2-(Methylthio)benzoic acid, (Phenylthio)acetic acid, 3-bromo-1-benzothiophene; Downstream Products: 2,5-Piperazinedione, 1,4-dimethyl-, 1-Benzothiophene, Benzo[b]thiophen-3-ol.
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]thiophen-3(2H)-one (CAS 130-03-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11991-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.