Description

4-Bromo-2-Cyanobenzenesulfonyl Chloride is a versatile and high-purity sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its unique structure, featuring both bromo and cyano substituents, makes it an essential reagent for constructing complex molecules with tailored properties. This compound is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for the development of new 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: Building block for creating novel herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Material Science: Used in the development of specialty polymers, liquid crystals, and advanced organic electronic materials.
• Chemical Research: Valuable reagent for medicinal chemistry, process development, and exploring new synthetic methodologies in academic and industrial labs.
• Dye and Pigment Industry: Intermediate for synthesizing specialized dyes and functional colorants.

Basic Information

Item	Details
Product Name	4-Bromo-2-Cyanobenzenesulfonyl Chloride
CAS No.	431046-20-7
Molecular Formula	C7H3BrClNO2S
Molecular Weight	280.53 g/mol
Synonyms	2-Cyano-4-bromobenzenesulfonyl chloride; 4-Bromo-2-cyanobenzene-1-sulfonyl chloride; 2-Cyano-4-bromophenylsulfonyl chloride; 1-Bromo-3-cyano-4-chlorosulfonylbenzene; Benzenesulfonyl chloride, 4-bromo-2-cyano-; 431046-20-7; 4-Bromo-2-cyanobenzenesulphonyl chloride
EINECS	Contact for details

Quality Control

Our 4-Bromo-2-Cyanobenzenesulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, documenting all critical quality attributes. Our commitment is to supply material that meets the stringent requirements of research and development applications.

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 heat, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

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

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