Description

Quinoxaline-5-Carboxylic Acid is a versatile heterocyclic building block and key synthetic intermediate in advanced organic chemistry. Its unique fused-ring structure containing both nitrogen and carboxylic acid functional groups makes it a critical precursor for the development of complex molecules. This compound is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various drug candidates, particularly those targeting neurological disorders and infectious diseases.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold.
• Material Science Research: Serves as a building block for creating organic semiconductors, ligands for metal-organic frameworks (MOFs), and other functional polymers.
• Chemical Biology & Proteomics: Employed as a core structure or linker in the design of molecular probes, enzyme inhibitors, and bioconjugation reagents.
• Dye & Pigment Industry: Acts as an intermediate for the synthesis of specialized heterocyclic dyes and colorants.
• Academic & Contract Research: Essential for methodological development in organic synthesis and medicinal chemistry research programs.

Basic Information

Product Name	Quinoxaline-5-Carboxylic Acid
CAS No.	6924-66-9
Molecular Formula	C9H6N2O2
Molecular Weight	174.16 g/mol
Synonyms	5-Quinoxalinecarboxylic Acid; Quinoxaline-5-carboxylic acid; 5-Carboxyquinoxaline; Quinoxalinecarboxylic acid; 1,4-Benzodiazine-5-carboxylic acid; 2,3-Benzopyrazine-5-carboxylic acid; 5-Quinoxalincarboxylic acid; 6924-66-9 (CAS)
EINECS	Contact for details

Quality Control

Our Quinoxaline-5-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (HPLC), identity (IR, NMR), and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

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

Specification

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