2-Bromo-5-chloro-3-methylpyrazine

2-溴-5-氯-3-甲基吡嗪

Also known as: Pyrazine, 2-bromo-5-chloro-3-methyl-

2-Bromo-5-chloro-3-methylpyrazine (CAS 1260664-82-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H4BrClN2 and a molecular weight of 207.456 g/mol. It is also known as Pyrazine, 2-bromo-5-chloro-3-methyl-. Key properties include a boiling point of 223.3±35.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 88.8±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1260664-82-1
Jingsj CID
J-1187299-7
Molecular Formula
C5H4BrClN2
Chinese Name
2-溴-5-氯-3-甲基吡嗪
Molecular Weight
207.456 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point223.3±35.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point88.8±25.9 °C

Frequently Asked Questions

What is the CAS number of 2-Bromo-5-chloro-3-methylpyrazine?

The CAS number of 2-Bromo-5-chloro-3-methylpyrazine is 1260664-82-1.

What are the molecular formula and molecular weight of 2-Bromo-5-chloro-3-methylpyrazine?

2-Bromo-5-chloro-3-methylpyrazine has molecular formula C5H4BrClN2 and molecular weight 207.456 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Bromo-5-chloro-3-methylpyrazine (CAS 1260664-82-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1187299-7 (accessed 2026-10-24).

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