Description

3-Chloro-2-Cyanobenzene-1-Sulfonyl Chloride is a versatile and highly reactive bifunctional intermediate essential for advanced organic synthesis. Its dual functionality as a sulfonyl chloride and a nitrile makes it a critical building block for constructing complex molecular architectures. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides with sulfonyl urea or sulfonamide moieties.
• Dyestuff and Pigment Manufacturing: Serves as a building block for creating specialized azo dyes and high-performance pigments.
• Polymer Chemistry: Employed in the production of specialty polymers and functional materials, such as sulfonated polymers for ion-exchange membranes.
• Chemical Research & Development: A valuable reagent for medicinal chemistry and process chemistry research to explore new synthetic routes.
• Ligand and Catalyst Design: Useful for synthesizing complex ligands used in catalytic systems and metal-organic frameworks (MOFs).

Basic Information

Product Name	3-Chloro-2-Cyanobenzene-1-Sulfonyl Chloride
CAS No.	80023-25-2
Molecular Formula	C7H3Cl2NO2S
Molecular Weight	236.07 g/mol
Synonyms	2-Chloro-6-cyanobenzenesulfonyl chloride; 3-Chloro-2-cyanobenzenesulfonyl chloride; 2-Cyano-3-chlorobenzenesulfonyl chloride; 1-Chloro-2-cyano-3-sulfonylchloridebenzene; 6-Chloro-2-cyanobenzenesulfonyl chloride; Benzenesulfonyl chloride, 3-chloro-2-cyano-; 3-Chloro-2-cyanophenylsulfonyl chloride
EINECS	Contact for details

Quality Control

Our production of 3-Chloro-2-Cyanobenzene-1-Sulfonyl Chloride adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications and supporting your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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. Keep away from strong bases, oxidizing agents, and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details
Heavy Metals	< 20 ppm

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