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Methyl 3-hydroxybenzo[b]thiophene-2-carboxylate

Also known as: Methyl 3-hydroxy-1-benzothiophene-2-carboxylate, 3-Hydroxybenzo[b]thiophene-2-carboxylic acid methyl ester, 3-Hydroxy-2-methoxycarbonylbenzothiophene

Methyl 3-hydroxybenzo[b]thiophene-2-carboxylate (CAS 13134-76-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8O3S and a molecular weight of 208.23400 g/mol. Key properties include a melting point of 106-108ºC, a boiling point of 311.9ºC at 760mmHg, a density of 1.448g/cm3 and a flash point of 142.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13134-76-4
Jingsj CID
J-1108761-9
Molecular Formula
C10H8O3S
Molecular Weight
208.23400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point106-108ºC
Boiling Point311.9ºC at 760mmHg
Density1.448g/cm3
Flash Point142.4ºC
Exact Mass208.01900
PSA74.77000
LogP2.39350
Vapor Pressure0.000234mmHg at 25°C
Refractive Index1.678

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 Methyl 3-hydroxybenzo[b]thiophene-2-carboxylate?

The CAS number of Methyl 3-hydroxybenzo[b]thiophene-2-carboxylate is 13134-76-4.

What are the molecular formula and molecular weight of Methyl 3-hydroxybenzo[b]thiophene-2-carboxylate?

Methyl 3-hydroxybenzo[b]thiophene-2-carboxylate has molecular formula C10H8O3S and molecular weight 208.23400 g/mol.

What are the upstream and downstream products of Methyl 3-hydroxybenzo[b]thiophene-2-carboxylate?

For Methyl 3-hydroxybenzo[b]thiophene-2-carboxylate, Upstream Products: Methyl chloroacetate, Methyl thiosalicylate, 2,2'-dithiodibenzoyl chloride; Downstream Products: Methyl benzo[b]thiophene-2-carboxylate.

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

Last updated:

How to cite: Jingsj. "Methyl 3-hydroxybenzo[b]thiophene-2-carboxylate (CAS 13134-76-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1108761-9 (accessed 2026-11-09).

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