5-Amino-3-methylisothiazole hydrochloride

5-氨基-3-甲基异噻唑盐酸盐

Also known as: 3-Methyl-1,2-thiazol-5-amine hydrochloride, 3-Methyl-1,2-thiazol-5-amine hydrochloride (1:1), 3-Methylisothiazol-5-amine hydrochloride, 3-methyl-5-isothiazolaminmonohydrochloride, 3-methylisothiazol-5-amine HCl, 3-methylisothiazol-5-ylamine hydrochloride, 5-Amino-3-methyl-isothiazole hydrochloride, 5-Amino-3-methylisothiazole Hydrochloride, 5-Isothiazolamine, 3-methyl-, hydrochloride (1:1), 5-Isothiazolamine, 3-methyl, monohydrochloride, MFCD00012716

5-Amino-3-methylisothiazole hydrochloride (CAS 52547-00-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H7ClN2S and a molecular weight of 150.630 g/mol. It is also known as 3-Methyl-1,2-thiazol-5-amine hydrochloride, 3-Methyl-1,2-thiazol-5-amine hydrochloride (1:1) and 3-Methylisothiazol-5-amine hydrochloride. Key properties include a melting point of 300 °C(lit.), a boiling point of 120.7ºC at 760 mmHg and a flash point of 26.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
52547-00-9
Jingsj CID
J-17969-2
Molecular Formula
C4H7ClN2S
Chinese Name
5-氨基-3-甲基异噻唑盐酸盐
Molecular Weight
150.630 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point300 °C(lit.)
Boiling Point120.7ºC at 760 mmHg
Flash Point26.8ºC

Frequently Asked Questions

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

The CAS number of 5-Amino-3-methylisothiazole hydrochloride is 52547-00-9.

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

5-Amino-3-methylisothiazole hydrochloride has molecular formula C4H7ClN2S and molecular weight 150.630 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-3-methylisothiazole hydrochloride (CAS 52547-00-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17969-2 (accessed 2026-10-23).

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