Description

2-Methyl-2,3-Dihydro-Benzofuran-5-Carbonyl Chloride is a high-purity, reactive chemical intermediate essential for advanced organic synthesis. Its value lies in its role as a versatile building block for constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs). This compound is critically needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those with benzofuran-based scaffolds.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging its reactive acid chloride group for amide or ester formation.
• Material Science Research: Serves as a monomer or functionalization agent in the development of specialty polymers and advanced organic materials.
• Chemical Research & Development: Employed in academic and industrial R&D labs for method development and the creation of complex organic molecules for screening libraries.
• Fine Chemical Production: Integral to the multi-step synthesis of dyes, pigments, and other high-value specialty chemicals.

Basic Information

Product Name	2-Methyl-2,3-Dihydro-Benzofuran-5-Carbonyl Chloride
CAS No.	55746-01-5
Molecular Formula	C10H9ClO2
Molecular Weight	196.63 g/mol
Synonyms	5-(Chlorocarbonyl)-2-methyl-2,3-dihydrobenzofuran; 2-Methyl-2,3-dihydrobenzofuran-5-carbonyl chloride; 2-Methyl-2,3-dihydro-5-benzofurancarbonyl chloride; 2,3-Dihydro-2-methyl-5-benzofurancarbonyl chloride; 5-Carboxy-2-methyl-2,3-dihydrobenzofuran chloride
EINECS	Contact for details

Quality Control

Every batch of 2-Methyl-2,3-Dihydro-Benzofuran-5-Carbonyl Chloride is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your regulatory and R&D documentation 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, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
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.