Description

4-Bromo-n-(4-Chloro-3-Methylphenyl)-Benzenesulfonamide (Ws203368) is a specialized benzenesulfonamide derivative, a high-value chemical intermediate designed for advanced synthesis. Its core value proposition lies in its precise molecular structure, which serves as a critical building block for creating complex molecules with targeted functionalities. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is utilized in the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the research and synthesis of new drug candidates, particularly in developing sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and fungicides, leveraging its halogenated aromatic structure.
• Material Science Research: Serves as a precursor for functional polymers or organic electronic materials due to its robust aromatic core.
• Chemical Biology Probes: Utilized in the design of molecular probes and inhibitors for studying enzyme function and biological pathways.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom chemical synthesis services catering to R&D and pilot-scale production.

Basic Information

Product Name	4-Bromo-n-(4-Chloro-3-Methylphenyl)-Benzenesulfonamide (Ws203368)
CAS No.	1266466-05-0
Molecular Formula	C13H11BrClNO2S
Molecular Weight	375.66 g/mol
Synonyms	4-Bromo-N-(4-chloro-3-methylphenyl)benzenesulfonamide; Benzenesulfonamide, 4-bromo-N-(4-chloro-3-methylphenyl)-; Ws-203368; WS203368; 4-Bromo-N-(4-chloro-3-methylphenyl)benzene-1-sulfonamide; N-(4-Chloro-3-methylphenyl)-4-bromobenzenesulfonamide
EINECS	Contact for details

Quality Control

Our 4-Bromo-n-(4-Chloro-3-Methylphenyl)-Benzenesulfonamide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. This product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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