2-chloro-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide

2-氯-N-(5-甲基-1,3,4-噻二唑-2-基)乙酰胺

Also known as: 2-(2-Chloroacetamido)-5-methyl-1,3,4-thiadiazole, 2-CHLORO-N-(5-METHYL-1,3,4-THIADIAZOL-2-YL)ACETAMIDE, 2-Chloro-N-(5-methyl-[1,3,4]thiadiazol-2-yl)-acetamide, 2-chloro-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide, 2-chloro-N-(5-methyl-1,3,4-thiadiazol-2-yl)ethanamide, Acetamide, 2-chloro-N-(5-methyl-1,3,4-thiadiazol-2-yl)-, NSC 137229

2-chloro-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide (CAS 21521-87-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C5H6ClN3OS and a molecular weight of 191.63900 g/mol. It is also known as 2-(2-Chloroacetamido)-5-methyl-1,3,4-thiadiazole, 2-CHLORO-N-(5-METHYL-1,3,4-THIADIAZOL-2-YL)ACETAMIDE and 2-Chloro-N-(5-methyl-[1,3,4]thiadiazol-2-yl)-acetamide. Key property: a density of 1.519g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21521-87-9
Jingsj CID
J-1117443-1
Molecular Formula
C5H6ClN3OS
Chinese Name
2-氯-N-(5-甲基-1,3,4-噻二唑-2-基)乙酰胺
Molecular Weight
191.63900 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Density1.519g/cm3

Frequently Asked Questions

What is the CAS number of 2-chloro-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide?

The CAS number of 2-chloro-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide is 21521-87-9.

What are the molecular formula and molecular weight of 2-chloro-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide?

2-chloro-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide has molecular formula C5H6ClN3OS and molecular weight 191.63900 g/mol.

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

Last updated:

How to cite: Jingsj. "2-chloro-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide (CAS 21521-87-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117443-1 (accessed 2026-10-26).

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