Description

4-Chloro-2-Cyanophenylsulfonyl Chloride is a high-purity, multi-functional chemical intermediate characterized by its reactive sulfonyl chloride and cyano groups. This compound is critical for the synthesis of advanced molecules, offering a versatile building block for introducing specific functional motifs into target structures. It is primarily sought after by research and development chemists and process engineers in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A 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, leveraging the sulfonyl chloride moiety for potent biological activity.
• Dyestuff and Pigment Manufacturing: Serves as a building block for creating specialized dyes and pigments with enhanced color fastness and properties.
• Polymer Chemistry: Employed in the modification of polymers and the synthesis of specialty monomers to impart specific chemical resistance or functionality.
• Chemical Research & Development: A valuable reagent for medicinal chemistry and process chemistry in both academic and industrial R&D settings.
• Ligand and Catalyst Development: Used to synthesize complex ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	4-Chloro-2-Cyanophenylsulfonyl Chloride
CAS No.	1251087-10-1
Molecular Formula	C7H3Cl2NO2S
Molecular Weight	236.07 g/mol
Synonyms	2-Cyano-4-chlorobenzenesulfonyl chloride; 4-Chloro-2-cyanobenzene-1-sulfonyl chloride; 1-Chloro-4-sulfonyl-2-cyanobenzene chloride; 4-Chloro-2-cyanophenyl sulfonylchloride; 2-Cyano-4-chlorophenylsulfonyl chloride; Benzenesulfonyl chloride, 2-cyano-4-chloro-; (4-Chloro-2-cyanophenyl)sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-Cyanophenylsulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment and is available upon request.

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.

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

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