Description

4-Cyanobenzenesulfonyl Chloride 97 is a versatile and high-purity sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its reactive sulfonyl chloride group and electron-withdrawing cyano substituent make it an essential reagent for introducing the 4-cyanobenzenesulfonyl moiety into target molecules. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating sulfonamides, sulfonate esters, and other functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for creating sulfonamide-based drugs with potential biological activity.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where the sulfonyl group is integral to the molecule's mode of action.
• Dye and Pigment Manufacturing: Serves as an intermediate in the production of specialized dyes and functional pigments.
• Polymer Modification: Employed to introduce sulfonyl chloride functional groups onto polymer backbones for subsequent cross-linking or property enhancement.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and creating compound libraries for screening.
• Ligand and Catalyst Preparation: Used in the synthesis of specialized ligands for metal complexes and catalysts.

Basic Information

Product Name	4-Cyanobenzenesulfonyl Chloride 97
CAS No.	49584-26-1
Molecular Formula	C7H4ClNO2S
Molecular Weight	201.63 g/mol
Synonyms	p-Cyanobenzenesulfonyl chloride; 4-Cyanobenzene-1-sulfonyl chloride; Benzenesulfonyl chloride, 4-cyano-; 1-Cyano-4-(chlorosulfonyl)benzene; 4-CBSCl; p-Cyanophenylsulfonyl chloride; 4-Cyanophenylsulfonyl chloride; NSC 403821
EINECS	256-404-5

Quality Control

Our 4-Cyanobenzenesulfonyl Chloride 97 is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment, ensuring full traceability and compliance with your internal quality standards.

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 material is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. 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
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Contact for details

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