Description

2H-Pyran-2,6(3H)-Dione is a versatile heterocyclic compound with a lactone-like structure, serving as a key synthetic intermediate in advanced organic chemistry. Its unique molecular framework makes it a valuable building block for constructing complex molecules in pharmaceutical and agrochemical research. This compound is essential for R&D chemists and process development scientists working on novel active ingredients, fine chemicals, and material science applications.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with heterocyclic cores.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Acts as a specialized building block for creating complex organic molecules used in flavors, fragrances, and dyes.
• Material Science Research: Investigated as a monomer or precursor for developing novel polymers and advanced organic materials.
• Academic & Industrial R&D: Employed in methodological studies and as a model compound in organic synthesis and catalysis research.

Basic Information

Item	Details
Product Name	2H-Pyran-2,6(3H)-Dione
CAS No.	5926-95-4
Molecular Formula	C5H4O3
Molecular Weight	112.08 g/mol
Synonyms	2,6-Dihydroxypyran-2-one; 2H-Pyran-2,6(3H)-dione; 2,6-Pyrandione; 6-Hydroxy-2H-pyran-2-one; 2,6-Dioxo-2H-pyran; Glutaconic anhydride (tautomer); 2-Pyranone-6-ol; 5,6-Dihydro-2H-pyran-2,6-dione
EINECS	227-678-7

Quality Control

Our 2H-Pyran-2,6(3H)-Dione is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with detailed results for parameters including assay, related substances, and residual solvents. Our quality commitment supports applications requiring high-purity intermediates for research and regulated synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong bases and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH guidelines

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