Description

3-Cyanobenzene-1-Sulfonyl Chloride is a versatile and reactive aromatic sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its dual functionality, where the sulfonyl chloride group acts as a powerful electrophile for sulfonamide formation and the cyano group offers a handle for further transformation into carboxylic acids, amides, or tetrazoles. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity intermediates for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and insecticides that incorporate sulfonamide moieties for enhanced bioactivity.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for producing specialty polymers with specific thermal or chemical resistance properties.
• Dye and Pigment Manufacturing: Intermediate for synthesizing sulfonated dyes and colorants with improved solubility and fastness.
• Material Science Research: Building block for developing advanced materials like metal-organic frameworks (MOFs) or functional surfaces.
• Chemical Biology Probes: Useful for labeling proteins or other biomolecules via sulfonylation reactions to study biological pathways.

Basic Information

Product Name	3-Cyanobenzene-1-Sulfonyl Chloride
CAS No.	56542-67-7
Molecular Formula	C7H4ClNO2S
Molecular Weight	201.63 g/mol
Synonyms	3-Cyanobenzenesulfonyl chloride; m-Cyanobenzenesulfonyl chloride; 3-Cyanophenylsulfonyl chloride; m-Cyanophenylsulfonyl chloride; Benzenesulfonyl chloride, 3-cyano-; 3-Cyano-benzenesulfonyl chloride; 1-Cyano-3-sulfonylchloridebenzene; 56542-67-7
EINECS	Contact for details

Quality Control

Our 3-Cyanobenzene-1-Sulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and batch-to-batch consistency.

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). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) in its original packaging to prevent decomposition. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, amines, and alcohols.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Assay	97.0 - 103.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 20 ppm

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