Description

3-Oxo-3,4-Dihydro-Quinoxaline-2-Carboxylic Acid is a versatile heterocyclic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its quinoxaline core structure makes it a valuable intermediate for developing compounds with significant biological and material science applications. This high-purity chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of quinoxaline-based drug candidates, including kinase inhibitors and antimicrobial agents.
• Agrochemical Synthesis: Used in the development of novel herbicides and fungicides that leverage the bioactive quinoxaline scaffold.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport materials and emissive layer components in display and lighting technologies.
• Coordination Chemistry & Ligand Design: The carboxylic acid and carbonyl groups act as chelating sites for metal ions, useful in creating catalysts and metal-organic frameworks (MOFs).
• Dye and Pigment Manufacturing: Employed in the synthesis of specialized heterocyclic dyes and colorants.
• Academic & Contract Research: A valuable reagent for medicinal chemistry programs and structure-activity relationship (SAR) studies in university and industrial R&D labs.

Basic Information

Product Name	3-Oxo-3,4-Dihydro-Quinoxaline-2-Carboxylic Acid
CAS No.	36818-07-2
Molecular Formula	C9H6N2O3
Molecular Weight	190.16 g/mol
Synonyms	2-Quinoxalinecarboxylic acid, 3,4-dihydro-3-oxo-; Quinoxaline-2-carboxylic acid, 3,4-dihydro-3-oxo-; 3,4-Dihydro-3-oxoquinoxaline-2-carboxylic acid; 3-Oxo-1,4-dihydro-quinoxaline-2-carboxylic acid; 2-Carboxy-3-oxo-3,4-dihydroquinoxaline; 3-Oxo-3,4-dihydro-2-quinoxalinecarboxylic acid; 3-Oxo-1,2,3,4-tetrahydro-quinoxaline-2-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 3-Oxo-3,4-Dihydro-Quinoxaline-2-Carboxylic Acid adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.