Description

5-Bromo-2-Propoxy-Benzenesulfonyl Chloride is a high-purity, specialized organic intermediate featuring a reactive sulfonyl chloride group. This compound is critically important for its role as a key building block in the synthesis of complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought after by R&D chemists and process development scientists in the life sciences sector for constructing sulfonamide derivatives and other functionalized aromatic systems.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those containing sulfonamide moieties with potential therapeutic activity.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, where the bromo and sulfonyl chloride groups allow for further functionalization.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and advanced functional materials.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes and inhibitors for studying enzyme function and biological pathways.
• Dye and Pigment Intermediate: Acts as a building block for creating complex chromophores and specialty colorants.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects requiring this precise molecular architecture.

Basic Information

Product Name	5-Bromo-2-Propoxy-Benzenesulfonyl Chloride
CAS No.	1048921-25-0
Molecular Formula	C9H10BrClO3S
Molecular Weight	313.60 g/mol
Synonyms	1-Bromo-4-propoxy-3-sulfonylchloride-benzene; Benzenesulfonyl chloride, 5-bromo-2-propoxy-; 5-Bromo-2-propoxybenzenesulfonyl chloride; 2-Propoxy-5-bromobenzenesulfonyl chloride; 3-Bromo-6-propoxybenzenesulfonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 5-Bromo-2-Propoxy-Benzenesulfonyl Chloride is manufactured under strict quality management systems and undergoes rigorous analytical testing to ensure consistency and high purity. Our products are developed to meet the exacting standards required for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

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