Description

6,7-Dichloro-3-Methyl-3,4-Dihydroquinoxalin-2(1H)-One is a versatile heterocyclic building block and key synthetic intermediate of significant importance in advanced organic synthesis. Its value lies in its functionalized quinoxalinone core, which serves as a privileged scaffold for constructing complex molecules with targeted biological activities. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the discovery and development of new active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, antimicrobial agents, and kinase inhibitors.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Material Science: Acts as a monomer or functional additive in the research of advanced polymers and organic electronic materials due to its electron-deficient aromatic system.
• Dye and Pigment Synthesis: Employed as a key intermediate for creating specialized heterocyclic dyes and organic pigments.
• Academic & Contract Research: Utilized in university and CRO laboratories for methodological studies in heterocyclic chemistry and medicinal chemistry programs.
• Custom Synthesis: A starting point for the contract manufacturing of more complex, proprietary compounds for various industrial applications.

Basic Information

Product Name	6,7-Dichloro-3-Methyl-3,4-Dihydroquinoxalin-2(1H)-One
CAS No.	73148-15-9
Molecular Formula	C9H6Cl2N2O
Molecular Weight	229.06 g/mol
Synonyms	6,7-Dichloro-3-methyl-1,4-dihydroquinoxalin-2-one; 3-Methyl-6,7-dichloro-1,4-dihydro-2-quinoxalinone; 6,7-Dichloro-3-methyl-3,4-dihydro-2(1H)-quinoxalinone; 2(1H)-Quinoxalinone, 6,7-dichloro-3-methyl-3,4-dihydro-; 6,7-Dichloro-3-methyl-1H,2H,3H,4H-quinoxaline-2-one
EINECS	Contact for details

Quality Control

Our 6,7-Dichloro-3-Methyl-3,4-Dihydroquinoxalin-2(1H)-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Maximum Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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