Description

2-Oxo-2H-Pyran-3-Carboxylic Acid is a versatile heterocyclic building block and key intermediate in organic synthesis. Its unique pyranone-carboxylic acid structure makes it valuable for constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research. This compound is essential for chemists and manufacturers developing active ingredients, fine chemicals, and advanced materials who require reliable, high-purity intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a building block for dyes, pigments, and other specialty chemicals.
• Material Science Research: Employed in the development of polymers, ligands for metal complexes, and advanced organic materials.
• Academic & R&D: A valuable reagent for methodological studies in organic chemistry and heterocyclic compound synthesis.

Basic Information

Product Name	2-Oxo-2H-Pyran-3-Carboxylic Acid
CAS No.	3040-20-8
Molecular Formula	C6H4O4
Molecular Weight	140.09 g/mol
Synonyms	3-Carboxy-2-pyrone; 3-Carboxy-2H-pyran-2-one; 2-Oxo-2H-pyran-3-carboxylic acid; 3-Pyronecarboxylic acid; 2-Oxo-2H-1-pyran-3-carboxylic acid; 3-Carboxy-2-pyrone; 2H-Pyran-2-one, 3-carboxy-
EINECS	221-246-7

Quality Control

Our 2-Oxo-2H-Pyran-3-Carboxylic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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