Description

2H-1-Benzopyran, 6-Bromo-8-Chloro-3,4-Dihydro-5-Methyl- is a high-purity, halogenated benzopyran derivative serving as a critical synthetic intermediate in advanced organic chemistry. This compound is valued for its unique molecular scaffold, which enables the construction of complex heterocyclic systems essential for pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and cardiovascular therapeutic areas.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its halogenated structure for bioactivity.
• Material Science Precursor: Serves as a monomer or precursor for specialty polymers and advanced organic electronic materials.
• Chemical Biology Probe: Utilized in medicinal chemistry for structure-activity relationship (SAR) studies and target identification.
• Academic & Contract Research: Essential reagent for methodological development and novel synthetic route exploration in university and CRO laboratories.
• Fluorescent Dye Synthesis: Acts as a core structure for developing new chromophores and fluorophores due to the benzopyran backbone.

Basic Information

Item	Details
Product Name	2H-1-Benzopyran, 6-Bromo-8-Chloro-3,4-Dihydro-5-Methyl-
CAS No.	1154740-72-3
Molecular Formula	C10H9BrClO
Molecular Weight	261.54 g/mol
Synonyms	6-Bromo-8-chloro-5-methyl-3,4-dihydro-2H-1-benzopyran; 5-Methyl-6-bromo-8-chloro-3,4-dihydro-2H-chromene; 6-Bromo-8-chloro-5-methylchroman; 6-Bromo-8-chloro-5-methyl-3,4-dihydro-2H-chromene; 1154740-72-3; Chromene, 6-bromo-8-chloro-3,4-dihydro-5-methyl-; 2H-1-Benzopyran, 6-bromo-8-chloro-3,4-dihydro-5-methyl-
EINECS	Contact for details

Quality Control

Every batch of 2H-1-Benzopyran, 6-Bromo-8-Chloro-3,4-Dihydro-5-Methyl- undergoes rigorous analytical testing to ensure identity, purity, and consistency. Our quality management system is designed to meet the stringent requirements of research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with each shipment to support your quality assurance protocols.

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 away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 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.