Ethyl 1,2,3-thiadiazole-4-carboxylate

1,2,3-噻重氮-4-羧酸乙酯

Also known as: 1,2,3-thiadiazole-4-carboxylic acid ethyl ester, 4-thiadiazolecarboxylic acid ethyl ester, Ethyl thiadiazole-4-carboxylate, RARECHEM AL BI 0508, BUTTPARK 82\04-75, TOSLAB 801331, NSC 78612, MFCD00052100

Ethyl 1,2,3-thiadiazole-4-carboxylate (CAS 3989-36-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O2S and a molecular weight of 158.17800 g/mol. It is also known as 1,2,3-thiadiazole-4-carboxylic acid ethyl ester, 4-thiadiazolecarboxylic acid ethyl ester and Ethyl thiadiazole-4-carboxylate. Key properties include a melting point of 80 °C, a boiling point of 231.1ºC at 760mmHg, a density of 1.32g/cm3 and a flash point of 93.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3989-36-4
Jingsj CID
J-24113-1
Molecular Formula
C5H6N2O2S
Chinese Name
1,2,3-噻重氮-4-羧酸乙酯
Molecular Weight
158.17800 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point80 °C
Boiling Point231.1ºC at 760mmHg
Density1.32g/cm3
Flash Point93.6ºC

Frequently Asked Questions

What is the CAS number of Ethyl 1,2,3-thiadiazole-4-carboxylate?

The CAS number of Ethyl 1,2,3-thiadiazole-4-carboxylate is 3989-36-4.

What are the molecular formula and molecular weight of Ethyl 1,2,3-thiadiazole-4-carboxylate?

Ethyl 1,2,3-thiadiazole-4-carboxylate has molecular formula C5H6N2O2S and molecular weight 158.17800 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl 1,2,3-thiadiazole-4-carboxylate (CAS 3989-36-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24113-1 (accessed 2026-10-25).

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