Methyl 6-methoxybenzo[b]thiophene-2-carboxylate

6-甲氧基苯并[b]噻吩-2-羧酸甲酯

Also known as: Benzo[b]thiophene-2-carboxylic acid, 6-methoxy-, methyl ester, Methyl 6-Methoxybenzo[b]thiophene-2-carboxylate, Methyl 6-Methoxybenzothiophene-2-carboxylate, Methyl 6-methoxy-1-benzothiophene-2-carboxylate, methyl 6-methoxybenzo[b]thiophene-2-carboxylate, 6-Methoxybenzothiophene-2-carboxylic acid methyl ester

Methyl 6-methoxybenzo[b]thiophene-2-carboxylate (CAS 550998-58-8) 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. It is also known as Benzo[b]thiophene-2-carboxylic acid, 6-methoxy-, methyl ester, Methyl 6-Methoxybenzo[b]thiophene-2-carboxylate and Methyl 6-Methoxybenzothiophene-2-carboxylate. Key properties include a boiling point of 345ºC at 760 mmHg, a density of 1.27g/cm3 and a flash point of 162.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
550998-58-8
Jingsj CID
J-882878-1
Molecular Formula
C11H10O3S
Chinese Name
6-甲氧基苯并[b]噻吩-2-羧酸甲酯
Molecular Weight
222.26000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point345ºC at 760 mmHg
Density1.27g/cm3
Flash Point162.4ºC

Frequently Asked Questions

What is the CAS number of Methyl 6-methoxybenzo[b]thiophene-2-carboxylate?

The CAS number of Methyl 6-methoxybenzo[b]thiophene-2-carboxylate is 550998-58-8.

What are the molecular formula and molecular weight of Methyl 6-methoxybenzo[b]thiophene-2-carboxylate?

Methyl 6-methoxybenzo[b]thiophene-2-carboxylate has molecular formula C11H10O3S and molecular weight 222.26000 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl 6-methoxybenzo[b]thiophene-2-carboxylate (CAS 550998-58-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-882878-1 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.