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Methyl 5-methoxybenzo[b]thiophene-2-carboxylate

Also known as: 5-Methoxy-benzo[b]thiophene-2-carboxylic acid methyl ester, Benzo[b]thiophene-2-carboxylic acid, 5-methoxy-, methyl ester, Methyl 5-methoxybenzothiophene-2-carboxylate, methyl 5-methoxy-1-benzothiophene-2-carboxylate, 5-Methoxy-2-methoxycarbonylbenzo<b>thiophen

Methyl 5-methoxybenzo[b]thiophene-2-carboxylate (CAS 19492-99-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H10O3S and a molecular weight of 222.26000 g/mol. Key properties include a boiling point of 344.957ºC at 760 mmHg, a density of 1.271g/cm3 and a flash point of 162.425ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19492-99-0
Jingsj CID
J-1049901-1
Molecular Formula
C11H10O3S
Molecular Weight
222.26000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point344.957ºC at 760 mmHg
Density1.271g/cm3
Flash Point162.425ºC
Exact Mass222.03500
PSA63.77000
LogP2.69650
Vapor Pressure0mmHg at 25°C
Refractive Index1.614
Storage Conditions2-8°C

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 5-methoxybenzo[b]thiophene-2-carboxylate?

The CAS number of Methyl 5-methoxybenzo[b]thiophene-2-carboxylate is 19492-99-0.

What are the molecular formula and molecular weight of Methyl 5-methoxybenzo[b]thiophene-2-carboxylate?

Methyl 5-methoxybenzo[b]thiophene-2-carboxylate has molecular formula C11H10O3S and molecular weight 222.26000 g/mol.

What are the upstream and downstream products of Methyl 5-methoxybenzo[b]thiophene-2-carboxylate?

For Methyl 5-methoxybenzo[b]thiophene-2-carboxylate, Upstream Products: 2-Fluoro-5-methoxybenzaldehyde, Methyl thioglycolate, 5-Methoxy-1-benzothiophene-2-carboxylic acid; Downstream Products: 5-Methoxy-1-benzothiophene-2-carboxylic acid.

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 5-methoxybenzo[b]thiophene-2-carboxylate (CAS 19492-99-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1049901-1 (accessed 2026-11-09).

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