Description

3-Bromo-1-Methylpyrazin-2(1H)-One is a high-purity brominated pyrazinone derivative, a crucial building block in modern organic synthesis. This compound matters for its role as a versatile intermediate in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is needed by research chemists and process development scientists working on active pharmaceutical ingredients (APIs), crop protection agents, and advanced material science applications.

Application

• As a key pharmaceutical intermediate in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• In the research and development of agrochemicals, including potential herbicides and fungicides.
• As a versatile building block for heterocyclic chemistry, enabling the construction of complex pyrazine and fused-ring systems.
• For use in material science research, particularly in the development of organic electronic materials and ligands for catalysis.
• In custom synthesis and contract manufacturing for clients requiring specific, high-value brominated intermediates.

Basic Information

Product Name	3-Bromo-1-Methylpyrazin-2(1H)-One
CAS No.	1187017-25-9
Molecular Formula	C5H5BrN2O
Molecular Weight	189.01 g/mol
Synonyms	3-Bromo-1-methyl-1H-pyrazin-2-one; 3-Bromo-1-methylpyrazin-2(1H)-one; 1-Methyl-3-bromopyrazin-2(1H)-one; 3-Bromo-1-methyl-2(1H)-pyrazinone; 2(1H)-Pyrazinone, 3-bromo-1-methyl-; 3-Bromo-1-methyl-1,2-dihydropyrazin-2-one
EINECS	Contact for details

Quality Control

Our 3-Bromo-1-Methylpyrazin-2(1H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment supports applications requiring high-purity intermediates for research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging during storage.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.