ethyl 4-methyl-2-(thiophen-2-yl)-1,3-thiazole-5-carboxylate

4-甲基-2-(2-噻吩基)-1,3-噻唑-5-羧酸乙酯

Also known as: ethyl 4-methyl-2-(2-thienyl)-1,3-thiazole-5-carboxylate, ethyl 4-methyl-2-(2-thienyl)thiazole-5-carboxylate, 4-methyl-2-(2-thienyl)-5-thiazolecarboxylic acid ethyl ester, ethyl 4-methyl-2-thiophen-2-yl-1,3-thiazole-5-carboxylate, 2'-(4-methyl-5-carbethoxy-2-thiazolyl)-thiophen, ethyl 4-methyl-2-(thiophen-2-yl)-1,3-thiazole-5-carboxylate

ethyl 4-methyl-2-(thiophen-2-yl)-1,3-thiazole-5-carboxylate (CAS 56421-62-6) 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 253.340 g/mol. It is also known as ethyl 4-methyl-2-(2-thienyl)-1,3-thiazole-5-carboxylate, ethyl 4-methyl-2-(2-thienyl)thiazole-5-carboxylate and 4-methyl-2-(2-thienyl)-5-thiazolecarboxylic acid ethyl ester. Key properties include a melting point of 66-68ºC, a boiling point of 380.9±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 184.1±30.1 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56421-62-6
Jingsj CID
J-996159-9
Molecular Formula
C11H11NO2S2
Chinese Name
4-甲基-2-(2-噻吩基)-1,3-噻唑-5-羧酸乙酯
Molecular Weight
253.340 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point66-68ºC
Boiling Point380.9±50.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point184.1±30.1 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of ethyl 4-methyl-2-(thiophen-2-yl)-1,3-thiazole-5-carboxylate?

The CAS number of ethyl 4-methyl-2-(thiophen-2-yl)-1,3-thiazole-5-carboxylate is 56421-62-6.

What are the molecular formula and molecular weight of ethyl 4-methyl-2-(thiophen-2-yl)-1,3-thiazole-5-carboxylate?

ethyl 4-methyl-2-(thiophen-2-yl)-1,3-thiazole-5-carboxylate has molecular formula C11H11NO2S2 and molecular weight 253.340 g/mol.

Is ethyl 4-methyl-2-(thiophen-2-yl)-1,3-thiazole-5-carboxylate hazardous?

ethyl 4-methyl-2-(thiophen-2-yl)-1,3-thiazole-5-carboxylate has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "ethyl 4-methyl-2-(thiophen-2-yl)-1,3-thiazole-5-carboxylate (CAS 56421-62-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-996159-9 (accessed 2026-10-22).

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