Description

6-Chloro-Benzofuran-3-One is a versatile halogenated benzofuranone derivative, a key heterocyclic building block in advanced organic synthesis. Its value lies in its reactive carbonyl and chloro-substituted aromatic structure, enabling precise molecular construction for high-value intermediates. This compound is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and material science industries seeking to develop novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory applications.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and plant growth regulators, leveraging its bioactive benzofuranone core.
• Material Science Research: Acts as a monomer or functionalizing agent in the creation of specialized polymers, dyes, and organic electronic materials.
• Chemical Research & Development: A valuable scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Fine Chemical Production: Employed in the multi-step synthesis of complex fragrance and flavor ingredients.

Basic Information

Product Name	6-Chloro-Benzofuran-3-One
CAS No.	3260-78-4
Molecular Formula	C8H5ClO2
Molecular Weight	168.58 g/mol
Synonyms	6-Chloro-3-benzofuranone; 6-Chloro-1-benzofuran-3(2H)-one; 6-Chlorobenzofuran-3(2H)-one; 3-Oxo-6-chloro-2,3-dihydrobenzofuran; 6-Chloro-2,3-dihydrobenzofuran-3-one; 6-Chloro-3-hydroxybenzofuran; 6-Chlorophthalide (common misnomer, related structure)
EINECS	Contact for details

Quality Control

Our 6-Chloro-Benzofuran-3-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

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 strong bases.

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%

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