Description

3-Bromo-5-Cyanobenzenesulfonyl Chloride is a versatile and highly reactive aromatic sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its molecular structure, featuring both a bromo and a cyano substituent, makes it an invaluable precursor for constructing complex molecules with tailored properties. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key synthon for the development of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and pesticides with specific modes of action.
• Material Science: Serves as a monomer or cross-linking agent in the synthesis of specialty polymers and functional materials.
• Chemical Research: Essential reagent in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Dye and Pigment Industry: Intermediate for producing specialized dyes and optical brighteners.

Basic Information

Product Name	3-Bromo-5-Cyanobenzenesulfonyl Chloride
CAS No.	49674-17-1
Molecular Formula	C7H3BrClNO2S
Molecular Weight	280.53 g/mol
Synonyms	3-Bromo-5-cyanobenzenesulfonyl chloride; 5-Cyano-3-bromobenzenesulfonyl chloride; Benzenesulfonyl chloride, 3-bromo-5-cyano-; 3-Bromo-5-cyanophenylsulfonyl chloride; 49674-17-1
EINECS	Contact for details

Quality Control

Our 3-Bromo-5-Cyanobenzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with customer specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition.

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%

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