Description

3-Bromo-4-Ethoxybenzene-1-Sulfonyl Chloride CAS NO 1093065-10-1 is a high-purity, specialized sulfonyl chloride derivative used as a critical building block in advanced organic synthesis. This compound is valued for its reactivity, enabling the introduction of the sulfonamide functional group into target molecules, which is essential for modulating biological activity and physical properties. It is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and pesticides with enhanced efficacy.
• Material Science Research: Employed in the creation of specialty polymers and functional materials where sulfonamide linkages are required.
• Chemical Biology Probes: Serves as a reagent for labeling and modifying biomolecules to study protein function and interactions.
• Custom Synthesis & Contract Manufacturing: A vital raw material for custom synthesis houses producing high-value, low-volume specialty chemicals for clients.

Basic Information

Product Name	3-Bromo-4-Ethoxybenzene-1-Sulfonyl Chloride
CAS No.	1093065-10-1
Molecular Formula	C8H8BrClO3S
Molecular Weight	299.57 g/mol
Synonyms	1-Bromo-2-ethoxy-4-(chlorosulfonyl)benzene; 4-Bromo-3-ethoxybenzenesulfonyl chloride; 3-Ethoxy-4-bromobenzenesulfonyl chloride; 2-Bromo-1-ethoxy-4-(chlorosulfonyl)benzene; 3-Bromo-4-ethoxybenzenesulfonyl chloride; 4-Ethoxy-3-bromobenzenesulfonyl chloride; (3-Bromo-4-ethoxyphenyl)sulfonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 3-Bromo-4-Ethoxybenzene-1-Sulfonyl Chloride is manufactured and tested under strict quality management protocols to ensure consistency and reliability for your synthetic workflows. We provide comprehensive analytical data, including HPLC purity, NMR, and mass spectrometry confirmation. A Certificate of Analysis (COA) detailing all specifications is available for each lot upon request, supporting your quality assurance and regulatory documentation needs.

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). Due to its hygroscopic and moisture-sensitive nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details

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