Description

3,4-Dihydro-2,5-Dimethyl-2H-Pyran-2-Carbaldehyde is a versatile aldehyde-functionalized dihydropyran derivative, serving as a key synthetic intermediate. Its value lies in its reactive aldehyde group and heterocyclic structure, enabling the construction of complex molecules for advanced material and pharmaceutical research. This compound is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing novel drug candidates, particularly in medicinal chemistry programs targeting heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty chemicals requiring the dihydropyran moiety.
• Material Science Research: Employed in the synthesis of monomers or functional additives for polymers and advanced materials.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic synthesis and catalysis studies.

Basic Information

Product Name	3,4-Dihydro-2,5-Dimethyl-2H-Pyran-2-Carbaldehyde
CAS No.	1920-21-4
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	2,5-Dimethyl-3,4-dihydro-2H-pyran-2-carboxaldehyde; 2-Formyl-2,5-dimethyl-3,4-dihydro-2H-pyran; 2,5-Dimethyldihydro-2H-pyran-2-carbaldehyde; Dihydro-2,5-dimethyl-2H-pyran-2-carboxaldehyde; 2,5-Dimethyl-2H-pyran-2-carbaldehyde, 3,4-dihydro-; 2,5-Dimethyl-3,4-dihydro-2H-pyran-2-carbaldehyde
EINECS	217-664-5

Quality Control

Our 3,4-Dihydro-2,5-Dimethyl-2H-Pyran-2-Carbaldehyde is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended long-term storage temperature is 2-8°C. Allow the container to reach room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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