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5-Amino-4-chloro-3-methylisothiazole

5-氨基-4-氯-3-甲基异噻唑

Also known as: 4-chloro-3-methyl-1,2-thiazol-5-amine, 4-Chloro-3-Methylisothiazol-5-amine, 4-CHLORO-3-METHYL-ISOTHIAZOL-5-YLAMINE, 4-Chloro-3-methyl-isothiazol-5-ylamine, 5-Isothiazolamine, 4-chloro-3-methyl-

5-Amino-4-chloro-3-methylisothiazole (CAS 96841-04-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5ClN2S and a molecular weight of 148.61400 g/mol. It is also known as 4-chloro-3-methyl-1,2-thiazol-5-amine, 4-Chloro-3-Methylisothiazol-5-amine and 4-CHLORO-3-METHYL-ISOTHIAZOL-5-YLAMINE. Key properties include a boiling point of 128.9ºC at 760 mmHg, a density of 1.447g/cm3 and a flash point of 31.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
96841-04-2
Jingsj CID
J-1143183-1
Molecular Formula
C4H5ClN2S
Chinese Name
5-氨基-4-氯-3-甲基异噻唑
Molecular Weight
148.61400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point128.9ºC at 760 mmHg
Density1.447g/cm3
Flash Point31.8ºC

Frequently Asked Questions

What is the CAS number of 5-Amino-4-chloro-3-methylisothiazole?

The CAS number of 5-Amino-4-chloro-3-methylisothiazole is 96841-04-2.

What are the molecular formula and molecular weight of 5-Amino-4-chloro-3-methylisothiazole?

5-Amino-4-chloro-3-methylisothiazole has molecular formula C4H5ClN2S and molecular weight 148.61400 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Amino-4-chloro-3-methylisothiazole (CAS 96841-04-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1143183-1 (accessed 2026-10-25).

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