4-Ethyl-2-thiazolecarboxaldehyde

4-乙基-2-噻唑甲醛

Also known as: 2-Thiazolecarboxaldehyde, 4-ethyl- (9CI), 2-Thiazolecarboxaldehyde, 4-ethyl-, 4-Ethylthiazole-2-carbaldehyde, 4-ethyl-1,3-thiazole-2-carbaldehyde, Ethylthiazole-2-carbaldehyde

4-Ethyl-2-thiazolecarboxaldehyde (CAS 211943-05-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7NOS and a molecular weight of 141.19100 g/mol. It is also known as 2-Thiazolecarboxaldehyde, 4-ethyl- (9CI), 2-Thiazolecarboxaldehyde, 4-ethyl- and 4-Ethylthiazole-2-carbaldehyde. Key properties include a boiling point of 246.6ºC at 760 mmHg, a density of 1.21g/cm3 and a flash point of 103ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
211943-05-4
Jingsj CID
J-1512286-5
Molecular Formula
C6H7NOS
Chinese Name
4-乙基-2-噻唑甲醛
Molecular Weight
141.19100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point246.6ºC at 760 mmHg
Density1.21g/cm3
Flash Point103ºC

Frequently Asked Questions

What is the CAS number of 4-Ethyl-2-thiazolecarboxaldehyde?

The CAS number of 4-Ethyl-2-thiazolecarboxaldehyde is 211943-05-4.

What are the molecular formula and molecular weight of 4-Ethyl-2-thiazolecarboxaldehyde?

4-Ethyl-2-thiazolecarboxaldehyde has molecular formula C6H7NOS and molecular weight 141.19100 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Ethyl-2-thiazolecarboxaldehyde (CAS 211943-05-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512286-5 (accessed 2026-10-25).

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