Description

2H-Pyran-2-Carboxylic Acid, 3,6-Dihydro- is a versatile heterocyclic building block and synthetic intermediate of significant interest in advanced organic synthesis. Its unique dihydropyran core functionalized with a carboxylic acid group makes it a valuable precursor for constructing complex molecular architectures. This compound is primarily sought after by research institutions and fine chemical manufacturers developing novel pharmaceuticals, agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules containing dihydropyran or tetrahydropyran motifs.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Reagent: Serves as a versatile precursor for Diels-Alder reactions, cycloadditions, and other ring-forming transformations in medicinal and process chemistry.
• Material Science Research: Employed in the development of novel polymers, ligands, and functional organic materials due to its reactive carboxylic acid and olefinic groups.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing certain lactone and ester compounds used in specialty flavors and fragrances.
• Academic & R&D: A valuable tool for methodological studies and exploring new synthetic pathways in university and corporate research laboratories.

Basic Information

Product Name	2H-Pyran-2-Carboxylic Acid, 3,6-Dihydro-
CAS No.	116233-54-6
Molecular Formula	C6H8O3
Molecular Weight	128.13 g/mol
Synonyms	3,6-Dihydro-2H-pyran-2-carboxylic acid; 3,6-Dihydro-2H-pyran-2-carboxylic Acid; Dihydro-2H-pyran-2-carboxylic acid; 2-Carboxy-3,6-dihydro-2H-pyran; 3,6-Dihydro-2H-pyran-2-carboxylic acid (9CI); 2H-Pyran-2-carboxylic acid, 3,6-dihydro-
EINECS	Contact for details

Quality Control

Our 2H-Pyran-2-Carboxylic Acid, 3,6-Dihydro- is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality systems support development from research quantities to commercial scale under cGMP guidelines where required.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider inert atmosphere packing to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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