Description

3-Bromo-5-Methylpyrazin-2(1H)-One is a versatile and high-value brominated pyrazinone derivative, serving as a critical building block in modern synthetic organic chemistry. Its unique halogenated structure makes it an indispensable intermediate for the development of novel active pharmaceutical ingredients (APIs) and advanced agrochemicals. This compound is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex heterocyclic frameworks.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, particularly for kinase inhibitors and other small molecule therapeutics.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core.
• Material Science Research: Building block for creating novel organic electronic materials or ligands for catalytic systems.
• Chemical Biology Probes: Useful for synthesizing labeled compounds or probes for studying biological mechanisms.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.

Basic Information

Product Name	3-Bromo-5-Methylpyrazin-2(1H)-One
CAS No.	1260810-61-4
Molecular Formula	C5H5BrN2O
Molecular Weight	189.01 g/mol
Synonyms	3-Bromo-5-methyl-1H-pyrazin-2-one; 3-Bromo-5-methylpyrazin-2(1H)-one; 5-Methyl-3-bromo-2(1H)-pyrazinone; 2(1H)-Pyrazinone, 3-bromo-5-methyl-; 3-Bromo-5-methyl-2(1H)-pyrazinone; 3-Bromo-5-methyl-1,2-dihydropyrazin-2-one
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for our fine chemical intermediates. Every batch of 3-Bromo-5-Methylpyrazin-2(1H)-One is analyzed using advanced techniques like HPLC, GC-MS, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment, supporting your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

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%
Heavy Metals	≤ 20 ppm

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