Description

2-Ethoxy-3,4-Dihydro-4-Methyl-2H-Pyran is a specialized heterocyclic compound belonging to the class of dihydropyrans. This chemical serves as a valuable intermediate and building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought after by pharmaceutical, agrochemical, and fine chemical research and development teams for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a versatile building block for creating specialty chemicals, flavors, and fragrances.
• Material Science Research: Employed in the development of novel polymers, resins, and advanced organic materials.
• Academic & Industrial R&D: A critical reagent for methodological studies in organic chemistry and process development.

Basic Information

Product Name	2-Ethoxy-3,4-Dihydro-4-Methyl-2H-Pyran
CAS No.	10138-44-0
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	4-Methyl-2-ethoxy-3,4-dihydro-2H-pyran; 2-Ethoxy-4-methyl-3,4-dihydro-2H-pyran; 4-Methyl-2-ethoxydihydro-2H-pyran; Ethyl 4-methyl-3,4-dihydro-2H-pyran-2-yl ether; 3,4-Dihydro-4-methyl-2-ethoxy-2H-pyran; 2H-Pyran, 2-ethoxy-3,4-dihydro-4-methyl-
EINECS	233-395-8

Quality Control

Our 2-Ethoxy-3,4-Dihydro-4-Methyl-2H-Pyran is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity, identity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing specifications such as assay, identity, and impurity profiles. Our quality commitment supports cGMP and ISO standards for reliable integration into regulated synthesis workflows.

Storage

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