Description

Methyl 7-Chloro-3-Oxo-3,4-Dihydroquinoxaline-2-Carboxylate is a high-purity, synthetically valuable heterocyclic building block. This compound serves as a critical intermediate in the development of novel active pharmaceutical ingredients (APIs) and advanced organic materials. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for its role in constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of quinoxaline-based drug candidates, including potential kinase inhibitors and antimicrobial agents.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides with novel modes of action.
• Organic Synthesis Building Block: Employed in medicinal chemistry for lead optimization and structure-activity relationship (SAR) studies.
• Material Science Applications: Investigated as a monomer or precursor for functional polymers and advanced organic electronic materials.
• Contract Research & Development (CRO/CMO): Supplied to organizations engaged in custom synthesis and process development.

Basic Information

Product Name	Methyl 7-Chloro-3-Oxo-3,4-Dihydroquinoxaline-2-Carboxylate
CAS No.	221167-38-0
Molecular Formula	C10H7ClN2O3
Molecular Weight	238.63 g/mol
Synonyms	Methyl 7-chloro-3-oxo-3,4-dihydro-2-quinoxalinecarboxylate; 7-Chloro-3-oxo-3,4-dihydroquinoxaline-2-carboxylic acid methyl ester; 2-Quinoxalinecarboxylic acid, 7-chloro-3,4-dihydro-3-oxo-, methyl ester; Methyl 7-chloro-3-oxo-1,4-dihydroquinoxaline-2-carboxylate; 7-Chloro-2-methoxycarbonyl-3,4-dihydroquinoxalin-3-one
EINECS	Contact for details

Quality Control

Our Methyl 7-Chloro-3-Oxo-3,4-Dihydroquinoxaline-2-Carboxylate 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) with detailed chromatographic data are provided for every shipment, supporting your R&D and regulatory documentation 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 incompatible materials. This material is light-sensitive (store away from light).

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%
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.