Description

3,4-Dihydro-2H-Pyran-5-Carboxylic Acid is a versatile heterocyclic building block of significant interest in advanced organic synthesis. Its core value lies in its functionalized pyran ring structure, which serves as a key precursor for the construction of complex pharmaceutical intermediates and fine chemicals. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial 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 development of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic reactivity.
• Fine Chemical Production: Serves as a starting material or intermediate for manufacturing specialty chemicals, flavors, and fragrances.
• Academic & Industrial Research: Employed in methodological studies and as a model compound for developing new synthetic transformations involving carboxylic acid-functionalized heterocycles.
• Polymer Chemistry: Can be utilized as a monomer or functional modifier in the synthesis of specialty polymers with tailored properties.
• Ligand and Catalyst Development: Its structure is useful for creating novel chiral ligands or organocatalysts for asymmetric synthesis.

Basic Information

Product Name	3,4-Dihydro-2H-Pyran-5-Carboxylic Acid
CAS No.	40915-37-5
Molecular Formula	C6H8O3
Molecular Weight	128.13 g/mol
Synonyms	5-Carboxy-3,4-dihydro-2H-pyran; 2H-Pyran-5-carboxylic acid, 3,4-dihydro-; 3,4-Dihydro-2H-pyran-5-carboxylic acid; DHP-5-COOH; 5-Pyrancarboxylic acid, 3,4-dihydro-; delta(3)-Dihydropyran-5-carboxylic acid
EINECS	Contact for details

Quality Control

Our 3,4-Dihydro-2H-Pyran-5-Carboxylic Acid is produced under strict quality management protocols. We offer material suitable for research and industrial scale-up, with typical purity levels meeting the demands of advanced synthetic applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥97.0%
Melting Point	Contact for details
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%

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