Description

5-Chloro-2-Cyanobenzene-1-Sulfonyl Chloride is a versatile and highly reactive aromatic sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its bifunctional nature, featuring both a sulfonyl chloride and a nitrile group, makes it an indispensable intermediate for constructing complex molecular architectures. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and insecticides with sulfonylurea or sulfonamide moieties.
• Dyestuff and Pigment Manufacturing: Serves as a building block for producing specialized azo dyes and high-performance pigments.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for engineering polymers and specialty resins.
• Chemical Research: Valuable reagent in academic and industrial R&D for exploring new synthetic pathways and material properties.
• Ligand and Catalyst Development: Used to synthesize complex chelating agents and organocatalysts for asymmetric synthesis.

Basic Information

Product Name	5-Chloro-2-Cyanobenzene-1-Sulfonyl Chloride
CAS No.	411210-92-9
Molecular Formula	C7H3Cl2NO2S
Molecular Weight	236.07 g/mol
Synonyms	2-Cyano-5-chlorobenzenesulfonyl chloride; 5-Chloro-2-cyanobenzenesulfonyl chloride; 3-Chloro-6-(chlorosulfonyl)benzonitrile; 2-Chlorosulfonyl-4-chlorobenzonitrile; Benzonitrile, 5-chloro-2-(chlorosulfonyl)-; 4-Chloro-2-cyanobenzenesulfonyl chloride
EINECS	Contact for details

Quality Control

Our production of 5-Chloro-2-Cyanobenzene-1-Sulfonyl Chloride adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy. Our products are manufactured in compliance with cGMP principles where applicable, ensuring traceability and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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 and moisture-sensitive nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent hydrolysis. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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