2-Chloro-5-methylthiazole

2-氯-5-甲基噻唑

Also known as: 2-chloro-5-methyl-1,3-thiazole, Thiazole, 2-chloro-5-methyl-, MFCD03265390, 2-CHLORO-5-METHYLTHIAZOLE(PHENYLOXINDOLE)

2-Chloro-5-methylthiazole (CAS 33342-65-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4ClNS and a molecular weight of 133.599 g/mol. It is also known as 2-chloro-5-methyl-1,3-thiazole, Thiazole, 2-chloro-5-methyl- and MFCD03265390. Key properties include a boiling point of 202.7±33.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 76.4±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33342-65-3
Jingsj CID
J-1523803-2
Molecular Formula
C4H4ClNS
Chinese Name
2-氯-5-甲基噻唑
Molecular Weight
133.599 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point202.7±33.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point76.4±25.4 °C

Frequently Asked Questions

What is the CAS number of 2-Chloro-5-methylthiazole?

The CAS number of 2-Chloro-5-methylthiazole is 33342-65-3.

What are the molecular formula and molecular weight of 2-Chloro-5-methylthiazole?

2-Chloro-5-methylthiazole has molecular formula C4H4ClNS and molecular weight 133.599 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-5-methylthiazole (CAS 33342-65-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523803-2 (accessed 2026-10-22).

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