Description

Methyl 3,4-Dihydro-6-Methyl-2H-Pyran-5-Carboxylate is a versatile heterocyclic ester building block with significant utility in advanced organic synthesis. Its value lies in its functionalized pyran ring structure, which serves as a key intermediate for constructing more 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 crop protection industries for developing new active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly those with heterocyclic cores.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides.
• Flavor & Fragrance Chemistry: Serves as a precursor for creating specific lactone and ester notes in high-value aroma chemicals.
• Material Science Research: Employed in the development of specialty polymers and functional organic materials.
• Academic & Institutional Research: A valuable reagent for methodological studies in organic synthesis and catalysis.
• Custom Synthesis Building Block: Provided to contract research and manufacturing organizations (CROs/CMOs) for client-specific projects.

Basic Information

Product Name	Methyl 3,4-Dihydro-6-Methyl-2H-Pyran-5-Carboxylate
CAS No.	57987-84-5
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	6-Methyl-3,4-dihydro-2H-pyran-5-carboxylic acid methyl ester; Methyl 6-methyl-3,4-dihydro-2H-pyran-5-carboxylate; 5-Methoxycarbonyl-6-methyl-3,4-dihydro-2H-pyran; 2H-Pyran-5-carboxylic acid, 3,4-dihydro-6-methyl-, methyl ester; MDHPC
EINECS	Contact for details

Quality Control

Our Methyl 3,4-Dihydro-6-Methyl-2H-Pyran-5-Carboxylate is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including GC and HPLC, to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
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.