Description

3,6-Dihydro-2H-Pyran-4-Carboxylic Acid is a versatile heterocyclic building block of significant interest in synthetic organic chemistry. Its core value lies in its bifunctional nature, featuring both a reactive carboxylic acid group and a dihydropyran ring, making it a key intermediate for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries, where it is used to develop new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A crucial synthon for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold.
• Fine Chemical Production: Serves as a building block for creating specialty chemicals, flavors, fragrances, and advanced polymers.
• Academic & R&D: A valuable reagent in university and corporate research laboratories for methodological studies and the exploration of new chemical spaces.
• Material Science: Potential precursor for functionalized polymers or ligands used in catalysis and material design.

Basic Information

Product Name	3,6-Dihydro-2H-Pyran-4-Carboxylic Acid
CAS No.	99338-32-6
Molecular Formula	C6H8O3
Molecular Weight	128.13 g/mol
Synonyms	3,6-Dihydro-2H-pyran-4-carboxylic acid; 4-Carboxy-3,6-dihydro-2H-pyran; 2H-Pyran-4-carboxylic acid, 3,6-dihydro-; 3,6-Dihydro-4-pyrancarboxylic acid; DHP-4-carboxylic acid; 4-Pyrancarboxylic acid, 3,6-dihydro-; Tetrahydro-4H-pyran-4-one-2-carboxylic acid (tautomer)
EINECS	Contact for details

Quality Control

Our 3,6-Dihydro-2H-Pyran-4-Carboxylic Acid is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment 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 place at 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	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.