Description

3-Bromobenzylsulfonyl Chloride is a versatile and reactive organosulfur compound widely used as a key synthetic intermediate. Its primary value lies in its sulfonyl chloride functional group, which readily undergoes nucleophilic substitution reactions to form sulfonamides and sulfonate esters. This makes it an essential building block for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for the development of new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of sulfonamide-based drug candidates, including potential enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where the sulfonyl moiety is a key pharmacophore.
• Material Science Research: Employed in the creation of specialty polymers, functionalized surfaces, and advanced organic materials.
• Chemical Biology & Proteomics: Acts as a reactive handle for bioconjugation, labeling biomolecules, or developing activity-based probes.
• Custom Synthesis & Contract Manufacturing: Serves as a starting material for the production of complex, bespoke organic molecules for various R&D and commercial projects.

Basic Information

Product Name	3-Bromobenzylsulfonyl Chloride
CAS No.	58236-74-1
Molecular Formula	C7H6BrClO2S
Molecular Weight	269.54 g/mol
Synonyms	α-Bromo-m-toluenesulfonyl chloride; (3-Bromophenyl)methanesulfonyl chloride; m-Bromobenzylsulfonyl chloride; 1-(Bromomethyl)-3-(chlorosulfonyl)benzene; 3-Bromobenzenemethanesulfonyl chloride; Benzenemethanesulfonyl chloride, 3-bromo-
EINECS	Contact for details

Quality Control

Our 3-Bromobenzylsulfonyl Chloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for research and industrial use. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the rigorous demands of pharmaceutical and fine chemical synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic and reactive nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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