Description

3-Chloro-7-Methoxyquinoxalin-2(1H)-One is a high-purity, synthetically valuable quinoxalinone derivative, serving as a critical building block in advanced organic synthesis. Its unique heterocyclic structure, featuring both chloro and methoxy substituents, makes it an essential intermediate for developing novel compounds with targeted biological activity. This product is primarily required by research institutions and pharmaceutical companies engaged in medicinal chemistry, agrochemical research, and the development of specialty materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly for kinase inhibitors and other biologically active molecules.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides, leveraging its heterocyclic core.
• Material Science: Serves as a building block for creating organic electronic materials, dyes, and pigments.
• Academic & Contract Research: Employed in university and CRO laboratories for method development and exploring novel chemical reactions.
• Chemical Synthesis: Utilized in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Buchwald-Hartwig) for constructing complex molecular architectures.

Basic Information

Product Name	3-Chloro-7-Methoxyquinoxalin-2(1H)-One
CAS No.	1263814-66-9
Molecular Formula	C9H7ClN2O2
Molecular Weight	210.62 g/mol
Synonyms	3-Chloro-7-methoxy-1,2-dihydroquinoxalin-2-one; 3-Chloro-7-methoxyquinoxalin-2-ol; 2(1H)-Quinoxalinone, 3-chloro-7-methoxy-; 1263814-66-9; 3-Chloro-7-methoxy-2(1H)-quinoxalinone
EINECS	Contact for details

Quality Control

Our 3-Chloro-7-Methoxyquinoxalin-2(1H)-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the high standards required for research and development. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
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.