ethyl 2-amino-4-(2-thienyl)thiophene-3-carboxylate

2-氨基-4-(2-噻吩基)噻吩-3-羧酸乙酯

Also known as: ethyl 2-amino-4-(2-thienyl)thiophene-3-carboxylate, ethyl 5'-amino-[2,3'-bithiophene]-4'-carboxylate, ethyl 2-amino-4-thiophen-2-ylthiophene-3-carboxylate, ethyl 5'-amino-2,3'-bithiophene-4'-carboxylate, 5'-amino-[2,3']bithiophenyl-4'-carboxylic acid ethyl ester, ethyl 2-amino-4-(thien-2-yl)thiophene-3-carboxylate

ethyl 2-amino-4-(2-thienyl)thiophene-3-carboxylate (CAS 243669-48-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11NO2S2 and a molecular weight of 253.34100 g/mol. It is also known as ethyl 5'-amino-[2,3'-bithiophene]-4'-carboxylate, ethyl 2-amino-4-thiophen-2-ylthiophene-3-carboxylate and ethyl 5'-amino-2,3'-bithiophene-4'-carboxylate. Key properties include a melting point of 85ºC, a boiling point of 389.3ºC at 760 mmHg, a density of 1.33 g/cm3 and a flash point of 189.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
243669-48-9
Jingsj CID
J-1503663-4
Molecular Formula
C11H11NO2S2
Chinese Name
2-氨基-4-(2-噻吩基)噻吩-3-羧酸乙酯
Molecular Weight
253.34100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point85ºC
Boiling Point389.3ºC at 760 mmHg
Density1.33 g/cm3
Flash Point189.2ºC

Frequently Asked Questions

What is the CAS number of ethyl 2-amino-4-(2-thienyl)thiophene-3-carboxylate?

The CAS number of ethyl 2-amino-4-(2-thienyl)thiophene-3-carboxylate is 243669-48-9.

What are the molecular formula and molecular weight of ethyl 2-amino-4-(2-thienyl)thiophene-3-carboxylate?

ethyl 2-amino-4-(2-thienyl)thiophene-3-carboxylate has molecular formula C11H11NO2S2 and molecular weight 253.34100 g/mol.

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

Last updated:

How to cite: Jingsj. "ethyl 2-amino-4-(2-thienyl)thiophene-3-carboxylate (CAS 243669-48-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503663-4 (accessed 2026-10-24).

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