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ethyl 5-amino-1,2,3-thiadiazole-4-carboxylate

5-氨基-1,2,3-噻二唑-4-羧酸乙酯

Also known as: 5-amino-1,2,3-thiadiazole-4-carboxylic acid ethyl ester, ethyl 5-aminothiadiazole-4-carboxylate, MFCD00778317, 1,2,3-Thiadiazole-4-carboxylic acid, 5-amino-, ethyl ester

ethyl 5-amino-1,2,3-thiadiazole-4-carboxylate (CAS 6440-02-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H7N3O2S and a molecular weight of 173.19300 g/mol. It is also known as 5-amino-1,2,3-thiadiazole-4-carboxylic acid ethyl ester, ethyl 5-aminothiadiazole-4-carboxylate and MFCD00778317. Key properties include a melting point of 123-125ºC, a boiling point of 297.6ºC at 760 mmHg, a density of 1.419g/cm3 and a flash point of 133.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6440-02-4
Jingsj CID
J-15504-5
Molecular Formula
C5H7N3O2S
Chinese Name
5-氨基-1,2,3-噻二唑-4-羧酸乙酯
Molecular Weight
173.19300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point123-125ºC
Boiling Point297.6ºC at 760 mmHg
Density1.419g/cm3
Flash Point133.8ºC

Frequently Asked Questions

What is the CAS number of ethyl 5-amino-1,2,3-thiadiazole-4-carboxylate?

The CAS number of ethyl 5-amino-1,2,3-thiadiazole-4-carboxylate is 6440-02-4.

What are the molecular formula and molecular weight of ethyl 5-amino-1,2,3-thiadiazole-4-carboxylate?

ethyl 5-amino-1,2,3-thiadiazole-4-carboxylate has molecular formula C5H7N3O2S and molecular weight 173.19300 g/mol.

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

Last updated:

How to cite: Jingsj. "ethyl 5-amino-1,2,3-thiadiazole-4-carboxylate (CAS 6440-02-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15504-5 (accessed 2026-10-23).

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