Description

2,3-Diphenyl-Quinoxaline-5-Carboxylic Acid is a high-purity, functionalized quinoxaline derivative of significant interest in advanced organic synthesis. This compound serves as a versatile and critical building block for the development of novel materials and active pharmaceutical ingredients (APIs). It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzymes or receptors where the quinoxaline scaffold is pharmacologically active.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Material Science: Serves as a monomer or functional component in the creation of advanced organic electronic materials, such as OLEDs (Organic Light-Emitting Diodes) and conductive polymers.
• Coordination Chemistry: Acts as a chelating ligand for metal ions, useful in catalysis and the formation of metal-organic frameworks (MOFs).
• Dye and Pigment Synthesis: Employed as an intermediate for producing specialized quinoxaline-based dyes and colorants with specific light-absorption properties.
• Academic & Contract Research: Essential for fundamental chemical research and custom synthesis projects in university and CRO (Contract Research Organization) laboratories.

Basic Information

Product Name	2,3-Diphenyl-Quinoxaline-5-Carboxylic Acid
CAS No.	90833-20-8
Molecular Formula	C21H14N2O2
Molecular Weight	326.35 g/mol
Synonyms	5-Carboxy-2,3-diphenylquinoxaline; 2,3-Diphenyl-5-quinoxalinecarboxylic Acid; 2,3-Diphenylquinoxaline-5-carboxylic acid; Quinoxaline-5-carboxylic acid, 2,3-diphenyl-; 90833-20-8; 2,3-Diphenyl-quinoxalin-5-carbonsäure (German); Acide 2,3-diphényl-quinoxaline-5-carboxylique (French)
EINECS	Contact for details

Quality Control

Our 2,3-Diphenyl-Quinoxaline-5-Carboxylic Acid is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

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.