Description

5-Bromo-2-Methoxybenzenesulfonyl Chloride is a versatile and highly reactive sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its ability to act as a sulfonylation reagent, enabling the introduction of the sulfonyl functional group into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides requiring sulfonyl functional groups.
• Material Science: Building block for creating specialized polymers and advanced materials with specific surface properties.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and creating compound libraries.
• Dye and Pigment Manufacturing: Intermediate in the production of complex organic dyes and colorants.

Basic Information

Product Name	5-Bromo-2-Methoxybenzenesulfonyl Chloride
CAS No.	23095-05-8
Molecular Formula	C7H6BrClO3S
Molecular Weight	285.54 g/mol
Synonyms	2-Methoxy-5-bromobenzenesulfonyl chloride; 5-Bromo-2-methoxybenzene-1-sulfonyl chloride; 1-Bromo-4-methoxy-2-sulfonylchloridobenzene; 2-Methoxy-5-bromophenylsulfonyl chloride; Benzenesulfonyl chloride, 5-bromo-2-methoxy-; 5-Bromo-o-anisylsulfonyl chloride
EINECS	Contact for details

Quality Control

Our 5-Bromo-2-Methoxybenzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

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 product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%

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