Description

3-Hydroxy-2-quinoxalinecarboxylic acid is a versatile heterocyclic carboxylic acid derivative that serves as a critical synthetic intermediate and analytical reagent. Its unique quinoxaline core structure makes it valuable for constructing complex molecules and chelating metal ions. This compound is primarily sought by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications ranging from drug development to material science.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting neurological or infectious diseases.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides due to its bioactive heterocyclic scaffold.
• Metal Chelation & Analytical Chemistry: Acts as a selective chelating agent for transition metals, useful in analytical separation techniques and catalysis.
• Organic Electronic Materials: Serves as a precursor for developing conjugated molecules with potential applications in organic semiconductors and sensors.
• Dye & Pigment Research: Utilized in the synthesis of quinoxaline-based dyes and colorants for specialized industrial applications.
• Biochemical Research: Employed as a tool compound in enzymatic studies and as a probe in biochemical assays.

Basic Information

Product Name	3-Hydroxy-2-quinoxalinecarboxylic Acid
CAS No.	1204-75-7
Molecular Formula	C9H6N2O3
Molecular Weight	190.16 g/mol
Synonyms	2-Quinoxalinecarboxylic acid, 3-hydroxy-; 3-Hydroxyquinoxaline-2-carboxylic acid; 3-Hydroxy-2-carboxyquinoxaline; HQCA; 3-Hydroxy-2-quinoxalinecarboxylate; 3-Hydroxy-2-quinoxalinylcarboxylic acid; 3-Hydroxy-2-quinoxaline carboxylic acid
EINECS	214-889-9

Quality Control

Our 3-Hydroxy-2-quinoxalinecarboxylic acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial use. 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 (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

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	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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