Description

4-(3-Ethyl-Ureido)-Benzenesulfonyl Chloride is a specialized sulfonyl chloride derivative that serves as a critical building block in advanced organic synthesis. This compound is valued for its reactivity, enabling the efficient introduction of the 4-(3-ethylureido)benzenesulfonyl moiety into target molecules. It is primarily sought after by research and development chemists and process engineers in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, particularly those targeting enzyme inhibition.
• Agrochemical Research: Used in creating novel herbicides, fungicides, or insecticides by acting as a sulfonylation agent.
• Chemical Biology Probes: Employed in the development of activity-based probes for studying protein function and interaction.
• Material Science: Building block for synthesizing specialized polymers or dyes with specific sulfonamide functionalities.
• Custom Synthesis: Serves as a starting material for contract research organizations (CROs) and CDMOs for client-specific molecule development.

Basic Information

Product Name	4-(3-Ethyl-Ureido)-Benzenesulfonyl Chloride
CAS No.	677326-98-6
Molecular Formula	C9H11ClN2O3S
Molecular Weight	262.71 g/mol
Synonyms	4-(3-Ethylureido)benzenesulfonyl chloride; 1-Ethyl-3-(4-(chlorosulfonyl)phenyl)urea; N-(4-(Chlorosulfonyl)phenyl)-N'-ethylurea; 4-(N'-Ethylureido)benzenesulfonyl chloride; p-(3-Ethylureido)benzenesulfonyl chloride; Benzenesulfonyl chloride, 4-[(ethylamino)carbonyl]amino]-; 677326-98-6
EINECS	Contact for details

Quality Control

Every batch of 4-(3-Ethyl-Ureido)-Benzenesulfonyl Chloride is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with exacting standards for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

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 (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
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 1.0%

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