Description

5,6-Dihydro-4-Methoxy-2H-Pyran CAS NO 17327-22-9 is a versatile heterocyclic building block and key intermediate in organic synthesis. Its value lies in its reactive dihydropyran structure, which is crucial for constructing complex molecules in pharmaceutical and agrochemical research. This compound is primarily needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and flavor & fragrance industries for creating active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing tetrahydropyran or sugar-like motifs.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its oxygenated heterocyclic core.
• Flavor & Fragrance Chemistry: Serves as a precursor for creating specific lactone and ether compounds that contribute to complex aroma and flavor profiles.
• Material Science Research: Employed as a monomer or building block in the development of specialized polymers and functional materials.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including cycloaddition reactions and catalysis research.

Basic Information

Product Name	5,6-Dihydro-4-Methoxy-2H-Pyran
CAS No.	17327-22-9
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	4-Methoxy-5,6-dihydro-2H-pyran; 4-Methoxy-2H-5,6-dihydropyran; 5,6-Dihydro-4-methoxy-2H-pyran; 2H-Pyran, 5,6-dihydro-4-methoxy-; Dihydro-4-methoxypyran; 4-Methoxydihydropyran
EINECS	Contact for details

Quality Control

Our 5,6-Dihydro-4-Methoxy-2H-Pyran is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing specific batch results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 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.