Description

2,3-Dimethyldihydro-2H-Pyran-4(3H)-One is a specialized heterocyclic ketone building block of significant interest in advanced organic synthesis. Its unique pyranone structure makes it a valuable precursor for the development of pharmaceuticals, agrochemicals, and fine chemicals. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules containing dihydropyran or lactone motifs.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides, leveraging its reactive carbonyl and cyclic ether functionalities.
• Flavor & Fragrance Chemistry: Acts as a potential precursor for creating lactone-based flavor compounds and aroma chemicals due to its structural similarity to naturally occurring odorants.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of specialty polymers and resins with unique properties.
• Academic & Industrial R&D: Employed as a versatile scaffold in methodological chemistry research for developing new synthetic transformations and catalytic processes.

Basic Information

Product Name	2,3-Dimethyldihydro-2H-Pyran-4(3H)-One
CAS No.	102548-02-7
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	2,3-Dimethyl-4-oxotetrahydro-2H-pyran; 4-Oxo-2,3-dimethyltetrahydro-2H-pyran; 2,3-Dimethyl-3,4-dihydro-2H-pyran-4-one; 2,3-Dimethyl-4-oxodihydro-2H-pyran; 2,3-Dimethyl-4-oxo-3,4-dihydro-2H-pyran; 2,3-Dimethyl-3,4-dihydro-2H-pyran-4(3H)-one; Tetrahydro-2,3-dimethyl-4H-pyran-4-one
EINECS	Contact for details

Quality Control

Our 2,3-Dimethyldihydro-2H-Pyran-4(3H)-One is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay purity and identity.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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)	≥ 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.