Description

3,4-Dihydro-4-Methyl-1H-2-Benzopyran is a specialized heterocyclic organic compound belonging to the benzopyran class, serving as a valuable intermediate in advanced chemical synthesis. Its unique fused ring structure makes it a critical building block for the development of complex molecules in pharmaceutical and agrochemical research. This compound is essential for R&D chemists and process development scientists working on novel active ingredients, fine chemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and plant growth regulators due to its bioactive scaffold.
• Fine Chemical Building Block: Employed in organic synthesis for constructing complex heterocyclic frameworks and chiral molecules.
• Material Science Research: Investigated as a monomer or precursor for developing specialty polymers and advanced organic materials with specific optical or electronic properties.
• Flavor & Fragrance Industry: Serves as a starting material for synthesizing certain aroma chemicals and odorants.

Basic Information

Product Name	3,4-Dihydro-4-Methyl-1H-2-Benzopyran
CAS No.	26164-08-9
Molecular Formula	C10H12O
Molecular Weight	148.20 g/mol
Synonyms	4-Methyl-3,4-dihydro-1H-2-benzopyran; 4-Methyl-1,2-dihydronaphthalene oxide; 4-Methylisochroman; 4-Methyl-3,4-dihydroisochromene; 1H-2-Benzopyran, 3,4-dihydro-4-methyl-; 4-Methyl-3,4-dihydro-2H-1-benzopyran (tautomer)
EINECS	Contact for details

Quality Control

Our 3,4-Dihydro-4-Methyl-1H-2-Benzopyran is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the high standards required for research and development applications.

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 and incompatible materials.

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.