Skip to main content

3,5-Dibromo-1-methylpyrazin-2(1H)-one

Also known as: 3,5-Dibromo-1-methyl-2(1H)-pyrazinone, 3,5-Dibromo-1-methyl-1H-pyrazin-2-one, 3,5-Dibromo-1-methylpyrazin-2-one, 2(1H)-Pyrazinone, 3,5-dibromo-1-methyl-

3,5-Dibromo-1-methylpyrazin-2(1H)-one (CAS 87486-34-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H4Br2N2O and a molecular weight of 267.906 g/mol. Key properties include a boiling point of 261.9±50.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 112.2±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
87486-34-8
Jingsj CID
J-1076333-4
Molecular Formula
C5H4Br2N2O
Molecular Weight
267.906 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point261.9±50.0 °C at 760 mmHg
Density2.2±0.1 g/cm3
Flash Point112.2±30.1 °C
Exact Mass265.869019
PSA34.89000
LogP0.52
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.679
Storage Conditions2-8°C

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3,5-Dibromo-1-methylpyrazin-2(1H)-one?

The CAS number of 3,5-Dibromo-1-methylpyrazin-2(1H)-one is 87486-34-8.

What are the molecular formula and molecular weight of 3,5-Dibromo-1-methylpyrazin-2(1H)-one?

3,5-Dibromo-1-methylpyrazin-2(1H)-one has molecular formula C5H4Br2N2O and molecular weight 267.906 g/mol.

What are the upstream and downstream products of 3,5-Dibromo-1-methylpyrazin-2(1H)-one?

For 3,5-Dibromo-1-methylpyrazin-2(1H)-one, Upstream Products: Oxalyl bromide, Methylaminoacetonitrile.

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

Last updated:

How to cite: Jingsj. "3,5-Dibromo-1-methylpyrazin-2(1H)-one (CAS 87486-34-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1076333-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.