2-(5-Chlorobenzo[b]thiophen-3-yl)acetic acid
2-(5-氯苯并[b]噻吩-3-基)乙酸
Also known as: 5-Chlorobenzo[b]thiophene-3-acetic acid, 5-Chlorobenzothiophene-3-acetic acid, 5-Chlorothianaphthene-3-acetic acid, 2-(5-chloro-1-benzothiophen-3-yl)acetic acid, (5-Chloro-1-benzothien-3-yl)acetic acid, 2-(5-chlorobenzothiophene-3-yl)acetic acid, 5-chloro-benzo(b)thiophene-3-acetic acid
2-(5-Chlorobenzo[b]thiophen-3-yl)acetic acid (CAS 17266-30-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7ClO2S and a molecular weight of 226.67900 g/mol. It is also known as 5-Chlorobenzo[b]thiophene-3-acetic acid, 5-Chlorobenzothiophene-3-acetic acid and 5-Chlorothianaphthene-3-acetic acid. Key properties include a melting point of 148-150°C, a boiling point of 410.6ºC at 760 mmHg, a density of 1.487 g/cm3 and a flash point of 202.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17266-30-7
- Jingsj CID
- J-34997-2
- Molecular Formula
- C10H7ClO2S
- Chinese Name
- 2-(5-氯苯并[b]噻吩-3-基)乙酸
- Molecular Weight
- 226.67900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 148-150°C |
|---|---|
| Boiling Point | 410.6ºC at 760 mmHg |
| Density | 1.487 g/cm3 |
| Flash Point | 202.1ºC |
| Exact Mass | 225.98600 |
| PSA | 65.54000 |
| LogP | 3.18180 |
| Vapor Pressure | 1.77E-07mmHg at 25°C |
| Refractive Index | 1.693 |
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 2-(5-Chlorobenzo[b]thiophen-3-yl)acetic acid?
The CAS number of 2-(5-Chlorobenzo[b]thiophen-3-yl)acetic acid is 17266-30-7.
What are the molecular formula and molecular weight of 2-(5-Chlorobenzo[b]thiophen-3-yl)acetic acid?
2-(5-Chlorobenzo[b]thiophen-3-yl)acetic acid has molecular formula C10H7ClO2S and molecular weight 226.67900 g/mol.
What are the upstream and downstream products of 2-(5-Chlorobenzo[b]thiophen-3-yl)acetic acid?
For 2-(5-Chlorobenzo[b]thiophen-3-yl)acetic acid, Upstream Products: 5-chlorothianaphthene-3-acetonitrile; Downstream Products: Methyl 2-(5-chlorobenzo[b]thiophen-3-yl)acetate.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(5-Chlorobenzo[b]thiophen-3-yl)acetic acid (CAS 17266-30-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34997-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.