Ethyl 3-aminobenzo[b]thiophene-2-carboxylate

3-氨基苯并[b]噻吩-2-羧酸乙酯

Also known as: Benzo[b]thiophene-2-carboxylic acid, 3-amino-, ethyl ester, 3-Amino-benzo[b]thiophene-2-carboxylic acid ethyl ester, Ethyl 3-amino-1-benzothiophene-2-carboxylate, 3-Amino-2-carboethoxy-benzothiophene, 3-Aminobenzothiophene-2-carboxylic acid ethyl ester, AKOS 92613, ethyl 3-aminobenzothiophene-2-carboxylate

Ethyl 3-aminobenzo[b]thiophene-2-carboxylate (CAS 34761-09-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11NO2S and a molecular weight of 221.275 g/mol. It is also known as Benzo[b]thiophene-2-carboxylic acid, 3-amino-, ethyl ester, 3-Amino-benzo[b]thiophene-2-carboxylic acid ethyl ester and Ethyl 3-amino-1-benzothiophene-2-carboxylate. Key properties include a boiling point of 373.4±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 179.6±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34761-09-6
Jingsj CID
J-1338521-3
Molecular Formula
C11H11NO2S
Chinese Name
3-氨基苯并[b]噻吩-2-羧酸乙酯
Molecular Weight
221.275 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point373.4±22.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point179.6±22.3 °C

Frequently Asked Questions

What is the CAS number of Ethyl 3-aminobenzo[b]thiophene-2-carboxylate?

The CAS number of Ethyl 3-aminobenzo[b]thiophene-2-carboxylate is 34761-09-6.

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

Ethyl 3-aminobenzo[b]thiophene-2-carboxylate has molecular formula C11H11NO2S and molecular weight 221.275 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl 3-aminobenzo[b]thiophene-2-carboxylate (CAS 34761-09-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1338521-3 (accessed 2026-10-22).

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