ethyl 3-amino-4-cyano-5-(methylthio)thiophene-2-carboxylate

3-氨基-4-氰基-5-(甲硫基)噻吩-2-甲酸乙酯

Also known as: ethyl 3-amino-4-cyano-5-methylsulfanylthiophene-2-carboxylate, 3-amino-2-carboethoxy-4-cyano-5-(methylthio)thiophene, 3-amino-4-cyano-5-methylthio-2-thiophenecarboxylic acid ethyl ester, 3-amino-4-cyano-5-(methylsulfanyl)thiophene-2-carboxylate, SPECS AN-584/42126138, ethyl 3-amino-4-cyano-5-(methylthio)-thiophen-2-carboxylate

ethyl 3-amino-4-cyano-5-(methylthio)thiophene-2-carboxylate (CAS 116170-90-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H10N2O2S2 and a molecular weight of 242.31800 g/mol. It is also known as ethyl 3-amino-4-cyano-5-methylsulfanylthiophene-2-carboxylate, 3-amino-2-carboethoxy-4-cyano-5-(methylthio)thiophene and 3-amino-4-cyano-5-methylthio-2-thiophenecarboxylic acid ethyl ester. Key properties include a boiling point of 447.3ºC at 760mmHg, a density of 1.37g/cm3 and a flash point of 224.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
116170-90-2
Jingsj CID
J-1524149-6
Molecular Formula
C9H10N2O2S2
Chinese Name
3-氨基-4-氰基-5-(甲硫基)噻吩-2-甲酸乙酯
Molecular Weight
242.31800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point447.3ºC at 760mmHg
Density1.37g/cm3
Flash Point224.3ºC

Frequently Asked Questions

What is the CAS number of ethyl 3-amino-4-cyano-5-(methylthio)thiophene-2-carboxylate?

The CAS number of ethyl 3-amino-4-cyano-5-(methylthio)thiophene-2-carboxylate is 116170-90-2.

What are the molecular formula and molecular weight of ethyl 3-amino-4-cyano-5-(methylthio)thiophene-2-carboxylate?

ethyl 3-amino-4-cyano-5-(methylthio)thiophene-2-carboxylate has molecular formula C9H10N2O2S2 and molecular weight 242.31800 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-amino-4-cyano-5-(methylthio)thiophene-2-carboxylate (CAS 116170-90-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524149-6 (accessed 2026-10-26).

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