Description

5,7-Dichlorobenzofuran CAS NO 23145-06-4 is a halogenated benzofuran derivative serving as a versatile and high-value synthetic intermediate in advanced organic chemistry. Its core value lies in its rigid, fused-ring structure and reactive halogen sites, enabling precise molecular construction for complex target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries, particularly for developing novel active ingredients and functional organic materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially in medicinal chemistry programs targeting CNS disorders and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides, fungicides, and insecticides, leveraging its halogenated aromatic system.
• Organic Electronic Materials: Serves as a precursor for constructing π-conjugated systems and charge-transport materials used in OLEDs and organic semiconductors.
• Ligand and Catalyst Development: Functionalized to create specialized ligands for transition metal catalysis and asymmetric synthesis.
• Polymer Chemistry: Incorporated as a monomer or cross-linking agent to impart thermal stability and specific electronic properties to high-performance polymers.
• Chemical Research & Development: A valuable scaffold in academic and industrial R&D for exploring new chemical entities and reaction methodologies.

Basic Information

Product Name	5,7-Dichlorobenzofuran
CAS No.	23145-06-4
Molecular Formula	C8H4Cl2O
Molecular Weight	187.02 g/mol
Synonyms	5,7-Dichloro-1-benzofuran; 5,7-Dichlorobenzofurane; Benzofuran, 5,7-dichloro-; 2,3-Benzofuran, 5,7-dichloro-; 5,7-Dichloro-2,3-benzofuran
EINECS	Contact for details

Quality Control

Our 5,7-Dichlorobenzofuran is produced under strict quality management protocols. Each 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 every shipment, confirming compliance with customer specifications. Our commitment to supply reliability and batch-to-batch consistency supports your critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. The container should be kept tightly sealed to prevent moisture absorption and contamination.

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.