2-(3-methylbenzo[b]thiophen-2-yl)acetic acid

Also known as: 3-Methylbenzo[b]thiophene-2-acetic acid, 2-(3-methyl-1-benzothiophen-2-yl)acetic acid, 3-Methylthianaphthene-2-acetic acid, Benzo[b]thiophene-2-acetic acid, 3-methyl-, 2-(3-methylbenzothiophen-2-yl)acetic acid

2-(3-methylbenzo[b]thiophen-2-yl)acetic acid (CAS 1505-52-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H10O2S and a molecular weight of 206.26100 g/mol. Key properties include a melting point of 148-150°C, a boiling point of 391.8ºC at 760mmHg, a density of 1.315g/cm3 and a flash point of 190.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1505-52-8
Jingsj CID: J-37710-6
Molecular Formula: C₁₁H₁₀O₂S
Molecular Weight: 206.26100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	148-150°C
Boiling Point	391.8ºC at 760mmHg
Density	1.315g/cm3
Flash Point	190.8ºC
Exact Mass	206.04000
PSA	65.54000
LogP	2.83680
Vapor Pressure	7.65E-07mmHg at 25°C

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-(3-methylbenzo[b]thiophen-2-yl)acetic acid?

The CAS number of 2-(3-methylbenzo[b]thiophen-2-yl)acetic acid is 1505-52-8.

What are the molecular formula and molecular weight of 2-(3-methylbenzo[b]thiophen-2-yl)acetic acid?

2-(3-methylbenzo[b]thiophen-2-yl)acetic acid has molecular formula C11H10O2S and molecular weight 206.26100 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2-(3-methylbenzo[b]thiophen-2-yl)acetic acid (CAS 1505-52-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37710-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.