Description

4,5-Dimethyl-3,6-Dihydro-2H-Pyran-2-Carboxylic Acid Methyl Ester is a versatile heterocyclic building block and ester derivative of a dihydropyran carboxylic acid. This compound is valued for its role as a key synthetic intermediate in the production of complex organic molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working on novel active ingredients and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those with complex heterocyclic cores.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides, leveraging its functionalized pyran ring structure.
• Organic Synthesis & Research: Serves as a versatile precursor for Diels-Alder reactions, ring-opening transformations, and the construction of more complex oxygen-containing heterocycles in academic and industrial laboratories.
• Flavor & Fragrance Chemistry: Potential intermediate for synthesizing specific aroma compounds and odorants due to its ester functionality and cyclic structure.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic materials with specific properties.

Basic Information

Product Name	4,5-Dimethyl-3,6-Dihydro-2H-Pyran-2-Carboxylic Acid Methyl Ester
CAS No.	24588-61-2
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	Methyl 4,5-dimethyl-3,6-dihydro-2H-pyran-2-carboxylate; 2H-Pyran-2-carboxylic acid, 3,6-dihydro-4,5-dimethyl-, methyl ester; 4,5-Dimethyl-3,6-dihydro-2H-pyran-2-carboxylic acid methyl ester; Methyl 4,5-dimethyl-5,6-dihydro-2H-pyran-2-carboxylate
EINECS	Contact for details

Quality Control

Our 4,5-Dimethyl-3,6-Dihydro-2H-Pyran-2-Carboxylic Acid Methyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Research Grade)
Water Content (KF)	≤ 0.5%

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