Description

3,4-Dihydro-6-Methyl-2H-1-Benzopyran-2-One CAS NO 92-47-7 is a versatile organic compound belonging to the chromanone class, serving as a key synthetic intermediate and building block in advanced chemical synthesis. Its structural framework is highly valued for developing compounds with specific biological and material properties. This product is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers seeking high-purity intermediates for complex organic syntheses.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with chroman or coumarin-based structures.
• Agrochemical Synthesis: Used as a building block for developing novel pesticides, herbicides, and fungicides, leveraging its heterocyclic core.
• Fragrance and Flavor Chemistry: Serves as a starting material for creating synthetic aroma chemicals and flavoring agents due to its benzopyranone skeleton.
• Material Science Research: Investigated as a monomer or precursor for organic electronic materials, dyes, and photostable polymers.
• Organic Synthesis Research: Employed in academic and industrial R&D for constructing complex heterocyclic compounds and studying cyclization reactions.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical testing, method development, and quality control in chemical analysis.

Basic Information

Product Name	3,4-Dihydro-6-Methyl-2H-1-Benzopyran-2-One
CAS No.	92-47-7
Molecular Formula	C10H10O2
Molecular Weight	162.19 g/mol
Synonyms	6-Methylchroman-2-one; 6-Methyl-2-chromanone; 6-Methylcoumaran-2-one; Dihydro-6-methyl-2H-1-benzopyran-2-one; 6-Methyl-3,4-dihydro-2H-1-benzopyran-2-one; 2H-1-Benzopyran-2-one, 3,4-dihydro-6-methyl-; 6-Methyl-2-chromone (common misnomer); 6-Methyl-3,4-dihydrocoumarin
EINECS	202-158-8

Quality Control

Our 3,4-Dihydro-6-Methyl-2H-1-Benzopyran-2-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical parameters. Our quality commitment ensures the material is suitable for demanding applications in pharmaceutical and fine chemical synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to protect from moisture. Store away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	68°C - 72°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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