Description

4-Bromo-7-Chlorobenzofuran is a high-purity halogenated benzofuran derivative serving as a critical building block in advanced organic synthesis. This compound is valued for its unique molecular scaffold, which enables the construction of complex heterocyclic systems essential for pharmaceutical and materials research. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Research: Used in the development of new generation herbicides and fungicides, leveraging its halogenated benzofuran core for bioactivity.
• Material Science: Serves as a monomer or functional unit in the creation of organic electronic materials, such as organic light-emitting diodes (OLEDs) and semiconductors.
• Chemical Synthesis: Acts as a versatile electrophilic coupling partner in cross-coupling reactions (e.g., Suzuki, Stille) for introducing complex benzofuran motifs.
• Ligand & Catalyst Development: Employed in the design of novel ligands for transition metal catalysis and organocatalysts.
• Academic & Contract Research: A valuable reagent for methodological studies and library synthesis in academic and contract research organizations (CROs).

Basic Information

Product Name	4-Bromo-7-Chlorobenzofuran
CAS No.	855343-01-0
Molecular Formula	C8H4BrClO
Molecular Weight	231.47 g/mol
Synonyms	7-Chloro-4-bromobenzofuran; 4-Bromo-7-chloro-1-benzofuran; Benzofuran, 4-bromo-7-chloro-; 4-Br-7-Cl-Benzofuran
EINECS	Contact for details

Quality Control

Our 4-Bromo-7-Chlorobenzofuran is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with customer specifications and relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat and incompatible materials.

Specification

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

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