Description

2,3-Dihydro-1-Benzofuran-7-Sulfonyl Chloride is a high-purity, reactive sulfonyl chloride derivative used as a critical building block in advanced organic synthesis. Its value lies in its ability to introduce the sulfonamide functional group, a key motif in the development of bioactive molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries engaged in creating new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in the development of sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the benzofuran scaffold offers unique biological activity.
• Material Science Research: Serves as a monomer or precursor for creating specialized polymers and functional materials with tailored properties.
• Chemical Biology Probes: Utilized in the development of molecular probes and enzyme inhibitors for biochemical research and target validation.
• Custom Synthesis & Contract Manufacturing: A vital reagent for fine chemical suppliers and CDMOs (Contract Development and Manufacturing Organizations) producing complex, high-value molecules for clients.

Basic Information

Product Name	2,3-Dihydro-1-Benzofuran-7-Sulfonyl Chloride
CAS No.	953408-82-7
Molecular Formula	C8H7ClO3S
Molecular Weight	218.66 g/mol
Synonyms	7-Benzofuransulfonyl chloride, 2,3-dihydro-; 2,3-Dihydrobenzofuran-7-sulfonyl chloride; 2,3-Dihydro-1-benzofuran-7-sulfonyl chloride; 7-(Chlorosulfonyl)-2,3-dihydro-1-benzofuran; 2,3-Dihydrobenzo[b]furan-7-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch of 2,3-Dihydro-1-Benzofuran-7-Sulfonyl Chloride is analyzed using advanced techniques like HPLC, NMR, and GC to verify identity, purity, and the absence of critical impurities. Certificates of Analysis (COA) are available upon request and can be tailored to meet specific customer or regulatory requirements.

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 degradation.

Specification

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