Description

6-Chloro-8-Methyl-3,4-Dihydro-2H-1-Benzopyran-4-One is a high-purity, synthetically valuable benzopyranone derivative. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis. It is primarily required by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active ingredients.

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 Research: Used as a building block for developing new herbicides, fungicides, or insecticides, leveraging its benzopyranone core structure.
• Organic Synthesis Building Block: Employed in heterocyclic chemistry for constructing complex molecular architectures due to its reactive ketone and aromatic chloro-substituent.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic materials with specific optical or electronic properties.
• Academic & Contract Research: Supplied to universities and CROs (Contract Research Organizations) for fundamental chemical research and custom synthesis projects.

Basic Information

Product Name	6-Chloro-8-Methyl-3,4-Dihydro-2H-1-Benzopyran-4-One
CAS No.	76301-90-1
Molecular Formula	C10H9ClO2
Molecular Weight	196.63 g/mol
Synonyms	6-Chloro-8-methylchroman-4-one; 6-Chloro-8-methyl-4-chromanone; 8-Methyl-6-chlorochroman-4-one; 4H-1-Benzopyran-4-one, 6-chloro-3,4-dihydro-8-methyl-; 6-Chloro-8-methyl-3,4-dihydro-2H-chromen-4-one; 6-Chloro-8-methyl-4-chromone
EINECS	Contact for details

Quality Control

Our 6-Chloro-8-Methyl-3,4-Dihydro-2H-1-Benzopyran-4-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. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

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 strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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