Description

Benzo[B]Furan-3-Carbonyl Chloride is a high-purity, reactive chemical intermediate essential for advanced organic synthesis. This compound serves as a critical building block for constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and functional materials. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for its versatile acylating properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, especially for heterocyclic compounds targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and fungicides due to its benzofuran core structure.
• Material Science Research: Employed in the creation of organic semiconductors, liquid crystals, and photoresponsive polymers.
• Chemical Research & Development: Serves as a versatile acyl chloride reagent for introducing the benzofuran-3-carbonyl moiety into target molecules.
• Fine Chemical Production: Integral in the manufacture of dyes, pigments, and other high-value specialty chemicals.

Basic Information

Product Name	Benzo[B]Furan-3-Carbonyl Chloride
CAS No.	111964-21-7
Molecular Formula	C9H5ClO2
Molecular Weight	180.59 g/mol
Synonyms	3-Benzofurancarbonyl Chloride; Benzofuran-3-carbonyl Chloride; 1-Benzofuran-3-carbonyl Chloride; 3-Carboxybenzofuran Chloride; 3-Benzofuroyl Chloride; 111964-21-7; 3-Benzofurancarboxylic Acid Chloride
EINECS	Contact for details

Quality Control

Our Benzo[B]Furan-3-Carbonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature and reactivity as an acid chloride, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases, oxidizing agents, and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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