5-bromo-3-methyl-1H-pyrazin-2-one

2-羟基-3-甲基-5-溴吡嗪

Also known as: 5-bromo-3-methylpyrazin-2-ol, 5-bromo-3-methyl-2(1H)-pyrazinone, 2(1H)-Pyrazinone, 5-bromo-3-methyl-

5-bromo-3-methyl-1H-pyrazin-2-one (CAS 100047-56-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H5BrN2O and a molecular weight of 189.01000 g/mol. It is also known as 5-bromo-3-methylpyrazin-2-ol, 5-bromo-3-methyl-2(1H)-pyrazinone and 2(1H)-Pyrazinone, 5-bromo-3-methyl-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 100047-56-1
Jingsj CID: J-1508520-1
Molecular Formula: C₅H₅BrN₂O
Chinese Name: 2-羟基-3-甲基-5-溴吡嗪
Molecular Weight: 189.01000 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-bromo-3-methyl-1H-pyrazin-2-one?

The CAS number of 5-bromo-3-methyl-1H-pyrazin-2-one is 100047-56-1.

What are the molecular formula and molecular weight of 5-bromo-3-methyl-1H-pyrazin-2-one?

5-bromo-3-methyl-1H-pyrazin-2-one has molecular formula C5H5BrN2O and molecular weight 189.01000 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-bromo-3-methyl-1H-pyrazin-2-one (CAS 100047-56-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1508520-1 (accessed 2026-10-25).

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