Description

4-Methyl-3,4-Dihydroquinoxalin-2(1H)-One is a high-purity heterocyclic organic compound that serves as a critical advanced intermediate in modern chemical synthesis. Its value lies in its versatile fused-ring structure, which is essential for constructing complex molecules in pharmaceutical and agrochemical research. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new pesticides, herbicides, and fungicides due to its bioactive quinoxaline core.
• Organic Synthesis: Serves as a versatile precursor for constructing complex heterocyclic frameworks in academic and industrial research laboratories.
• Material Science: Potential application in the development of organic electronic materials and functional dyes.
• Chemical Reference Standard: Employed as an analytical standard for quality control and method development in analytical chemistry.

Basic Information

Product Name	4-Methyl-3,4-Dihydroquinoxalin-2(1H)-One
CAS No.	67074-63-9
Molecular Formula	C9H10N2O
Molecular Weight	162.19 g/mol
Synonyms	4-Methyl-1,2,3,4-tetrahydroquinoxalin-2-one; 4-Methyl-3,4-dihydro-2(1H)-quinoxalinone; 4-Methyl-1,4-dihydroquinoxaline-2,3-dione (tautomer); 4-Methyl-2-oxo-1,2,3,4-tetrahydroquinoxaline; 4-Methyl-3,4-dihydroquinoxalin-2-one; 4-Methyl-1H-quinoxalin-2-one, 3,4-dihydro-; 67074-63-9
EINECS	Contact for details

Quality Control

Our 4-Methyl-3,4-Dihydroquinoxalin-2(1H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment 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 place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.