Description

5-Chloro-3-Methyl-2(1H)-Pyrazinone is a versatile heterocyclic building block and key synthetic intermediate. Its value lies in its functionalized pyrazinone core, which is integral to constructing more complex molecular architectures. This compound is primarily needed by researchers and manufacturers in the pharmaceutical and agrochemical industries for developing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates, particularly those targeting central nervous system (CNS) disorders and infectious diseases.
• Agrochemical Synthesis: Serves as a key building block for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Organic Synthesis & Research: Used as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Material Science Precursor: Potential use in the development of specialty chemicals, dyes, and functional organic materials.
• Biochemical Research: May be employed as a reagent or inhibitor in enzymatic studies and biochemical pathway analysis.

Basic Information

Product Name	5-Chloro-3-Methyl-2(1H)-Pyrazinone
CAS No.	105985-18-0
Molecular Formula	C5H5ClN2O
Molecular Weight	144.56 g/mol
Synonyms	3-Methyl-5-chloro-2(1H)-pyrazinone; 5-Chloro-3-methyl-1H-pyrazin-2-one; 5-Chloro-3-methylpyrazin-2(1H)-one; 2(1H)-Pyrazinone, 5-chloro-3-methyl-; 5-Chloro-3-methyl-1,2-dihydropyrazin-2-one
EINECS	Contact for details

Quality Control

Our 5-Chloro-3-Methyl-2(1H)-Pyrazinone is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.