5-Bromo-1-methyl-1H-pyrazin-2-one
5-溴-1-甲基-1H-吡嗪-2-酮
Also known as: 5-Bromo-1-methyl-2(1H)-pyrazinone, 5-Bromo-1-methylpyrazin-2(1H)-one, 5-bromo-1-methylpyrazin-2-one, 2(1H)-Pyrazinone, 5-bromo-1-methyl-
5-Bromo-1-methyl-1H-pyrazin-2-one (CAS 1243288-53-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H5BrN2O and a molecular weight of 189.010 g/mol. It is also known as 5-Bromo-1-methyl-2(1H)-pyrazinone, 5-Bromo-1-methylpyrazin-2(1H)-one and 5-bromo-1-methylpyrazin-2-one. Key properties include a boiling point of 215.9±50.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 84.4±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1243288-53-0
- Jingsj CID
- J-1016276-3
- Molecular Formula
- C5H5BrN2O
- Chinese Name
- 5-溴-1-甲基-1H-吡嗪-2-酮
- Molecular Weight
- 189.010 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 215.9±50.0 °C at 760 mmHg |
|---|---|
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 84.4±30.1 °C |
Frequently Asked Questions
What is the CAS number of 5-Bromo-1-methyl-1H-pyrazin-2-one?
The CAS number of 5-Bromo-1-methyl-1H-pyrazin-2-one is 1243288-53-0.
What are the molecular formula and molecular weight of 5-Bromo-1-methyl-1H-pyrazin-2-one?
5-Bromo-1-methyl-1H-pyrazin-2-one has molecular formula C5H5BrN2O and molecular weight 189.010 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Bromo-1-methyl-1H-pyrazin-2-one (CAS 1243288-53-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1016276-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.