Description

3,4-Dihydro-6-Methyl-2H-Pyran-2-One is a valuable lactone derivative and a key chemical intermediate in organic synthesis. This compound matters for its role as a versatile building block in the production of more complex molecules, particularly in the pharmaceutical and fragrance industries. It is needed by R&D chemists and process development teams working on active pharmaceutical ingredients (APIs), flavor and fragrance compounds, and advanced material science applications.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs) and drug candidates.
• Flavor & Fragrance Ingredient: Used in the creation of complex aroma chemicals and flavoring agents due to its lactone structure.
• Organic Synthesis Building Block: Serves as a versatile starting material for heterocyclic chemistry, enabling the construction of pyrans, pyridines, and other fused ring systems.
• Agrochemical Research: Employed in the research and development of novel pesticides and herbicides.
• Material Science: Investigated as a monomer or modifier in the synthesis of specialized polymers and advanced materials.
• Chemical Research & Development: A valuable reagent for methodology development and exploring new synthetic pathways in academic and industrial labs.

Basic Information

Product Name	3,4-Dihydro-6-Methyl-2H-Pyran-2-One
CAS No.	3740-59-8
Molecular Formula	C6H8O2
Molecular Weight	112.13 g/mol
Synonyms	6-Methyl-5,6-dihydro-2H-pyran-2-one; 6-Methyl-3,4-dihydro-2H-pyran-2-one; 6-Methyl-2H-pyran-2-one, 3,4-dihydro-; 6-Methyl-δ-lactone; 6-Methyl-5,6-dihydro-2-pyrone; 3,4-Dihydro-6-methyl-2-pyrone; 6-Methyldihydropyran-2-one
EINECS	223-137-0

Quality Control

Our 3,4-Dihydro-6-Methyl-2H-Pyran-2-One is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay, identity (IR), and impurity profiles are available upon request to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.