Description

2-Chloro-4-(3-Ethylureido)Benzenesulfonyl Chloride is a specialized sulfonyl chloride derivative that serves as a critical building block in advanced organic synthesis. Its bifunctional reactivity makes it a valuable intermediate for constructing complex molecules with tailored properties. This compound is primarily sought after by research institutions and industrial R&D departments focused on developing novel active pharmaceutical ingredients (APIs), agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the development of new herbicides and fungicides, leveraging the sulfonyl chloride moiety for potent biological activity.
• Chemical Research & Development: A versatile reagent for introducing the sulfonyl and urea functional groups into target molecules in medicinal and process chemistry.
• Dye and Pigment Manufacturing: Intermediate for creating sulfonated azo dyes and specialty pigments with enhanced color fastness and solubility.
• Polymer Modification: Acts as a reactive site for grafting or cross-linking in the production of specialty polymers and resins.

Basic Information

Product Name	2-Chloro-4-(3-Ethylureido)Benzenesulfonyl Chloride
CAS No.	680617-81-6
Molecular Formula	C9H10Cl2N2O3S
Molecular Weight	297.16 g/mol
Synonyms	2-Chloro-4-(3-ethylureido)benzenesulfonyl chloride; 4-Amino-2-chlorobenzenesulfonyl chloride, N-ethylurea derivative; 1-Ethyl-3-(4-chloro-3-sulfonylchlorophenyl)urea; Benzenesulfonyl chloride, 2-chloro-4-[(ethylamino)carbonyl]amino]-; 680617-81-6; 2-Chloro-4-(N'-ethylureido)benzenesulfonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 2-Chloro-4-(3-Ethylureido)Benzenesulfonyl Chloride is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for sensitive synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment, and custom specifications can be developed to meet specific project requirements.

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 sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from strong acids and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.