5-Chlorothiazole

5-氯噻唑

Also known as: 5-CHLORO-THIAZOLE, 5-chloro-1,3-thiazole, Thiazole, 5-chloro-

5-Chlorothiazole (CAS 4175-73-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H2ClNS and a molecular weight of 119.57300 g/mol. It is also known as 5-CHLORO-THIAZOLE, 5-chloro-1,3-thiazole and Thiazole, 5-chloro-. Key properties include a melting point of 139-140ºC, a boiling point of 168.211ºC at 760 mmHg and a density of 1.421. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4175-73-9
Jingsj CID
J-1361720-0
Molecular Formula
C3H2ClNS
Chinese Name
5-氯噻唑
Molecular Weight
119.57300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point139-140ºC
Boiling Point168.211ºC at 760 mmHg
Density1.421

Frequently Asked Questions

What is the CAS number of 5-Chlorothiazole?

The CAS number of 5-Chlorothiazole is 4175-73-9.

What are the molecular formula and molecular weight of 5-Chlorothiazole?

5-Chlorothiazole has molecular formula C3H2ClNS and molecular weight 119.57300 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Chlorothiazole (CAS 4175-73-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1361720-0 (accessed 2026-10-26).

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