4-Bromo-3-methylisothiazole

4-溴-3-甲基异噻唑

Also known as: 4-Bromo-3-methyl-1,2-thiazole, Isothiazole, 4-bromo-3-methyl-, 4-Bromo-3-methyl-isothiazole

4-Bromo-3-methylisothiazole (CAS 930-42-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4BrNS and a molecular weight of 178.050 g/mol. It is also known as 4-Bromo-3-methyl-1,2-thiazole, Isothiazole, 4-bromo-3-methyl- and 4-Bromo-3-methyl-isothiazole. Key properties include a boiling point of 106.1±33.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 17.9±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
930-42-7
Jingsj CID
J-1359262-8
Molecular Formula
C4H4BrNS
Chinese Name
4-溴-3-甲基异噻唑
Molecular Weight
178.050 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point106.1±33.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point17.9±25.4 °C

Frequently Asked Questions

What is the CAS number of 4-Bromo-3-methylisothiazole?

The CAS number of 4-Bromo-3-methylisothiazole is 930-42-7.

What are the molecular formula and molecular weight of 4-Bromo-3-methylisothiazole?

4-Bromo-3-methylisothiazole has molecular formula C4H4BrNS and molecular weight 178.050 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Bromo-3-methylisothiazole (CAS 930-42-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359262-8 (accessed 2026-10-24).

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