Description

Quinoxaline, 2-Bromo-7-Chloro- CAS NO 89891-64-5 is a halogenated quinoxaline derivative, a versatile heterocyclic building block of significant interest in advanced organic synthesis. Its core value lies in its dual halogen functionality, which enables selective cross-coupling reactions and further functionalization to create complex molecular architectures. This compound is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting neurological disorders and oncology.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging the bioactive quinoxaline scaffold.
• Material Science: Acts as a monomer or building block for creating organic semiconductors, ligands for catalysts, and specialty polymers.
• Chemical Synthesis: Employed in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Sonogashira) due to its reactive bromo and chloro substituents.
• Ligand Preparation: Utilized to synthesize complex chelating ligands for coordination chemistry and catalysis.
• Dye and Pigment Research: Functions as an intermediate in the development of advanced colorants and fluorescent markers.

Basic Information

Product Name	Quinoxaline, 2-Bromo-7-Chloro-
CAS No.	89891-64-5
Molecular Formula	C8H4BrClN2
Molecular Weight	243.49 g/mol
Synonyms	2-Bromo-7-chloroquinoxaline; 7-Chloro-2-bromoquinoxaline; Quinoxaline, 7-chloro-2-bromo-; 2-Bromo-7-chloro-benzo[g]quinoxaline; 2-Bromo-7-chloro-quinoxaline; 89891-64-5; 7-Chloro-2-bromo-benzo[g]quinoxaline
EINECS	Contact for details

Quality Control

Our Quinoxaline, 2-Bromo-7-Chloro- is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our commitment to consistent quality and traceability supports your R&D and scale-up processes with reliable material.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
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.