Description

3-Bromo-1-Ethylpyrazin-2(1H)-One is a high-purity, versatile heterocyclic building block essential for advanced organic synthesis. This compound is valued for its reactive bromine substituent and ethylated pyrazinone core, which facilitate the construction of complex molecular architectures. It is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for applications in medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in kinase inhibitor and antiviral drug discovery programs.
• Agrochemical Research: Used in the synthesis of new herbicides, fungicides, and plant growth regulators, leveraging its heterocyclic structure for bioactivity.
• Material Science Precursor: Serves as a building block for organic electronic materials, such as ligands for metal-organic frameworks (MOFs) or components in organic semiconductors.
• Chemical Biology Probe: Employed in the design and synthesis of molecular probes and labeled compounds for biochemical and pharmacological studies.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis services and scale-up production under cGMP conditions for clinical trial materials.

Basic Information

Product Name	3-Bromo-1-Ethylpyrazin-2(1H)-One
CAS No.	1187017-24-8
Molecular Formula	C6H7BrN2O
Molecular Weight	203.04 g/mol
Synonyms	3-Bromo-1-ethyl-1H-pyrazin-2-one; 1-Ethyl-3-bromopyrazin-2(1H)-one; 3-Bromo-1-ethylpyrazin-2(1H)-one; 2(1H)-Pyrazinone, 3-bromo-1-ethyl-; 1187017-24-8; 3-Bromo-1-ethyl-2(1H)-pyrazinone
EINECS	Contact for details

Quality Control

Every batch of 3-Bromo-1-Ethylpyrazin-2(1H)-One is manufactured and tested under a strict quality management system. Our products undergo rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency meet the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

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 incompatible materials. For long-term storage, consider storage under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.