Description

Carbamic Acid,n-[4-(Chlorosulfonyl)Phenyl]-, Ethyl Ester is a specialized organic intermediate characterized by its reactive chlorosulfonyl and carbamate ester functional groups. This compound matters for its role as a versatile building block in the synthesis of more complex molecules, particularly in fine chemical and pharmaceutical manufacturing. Industries requiring high-purity intermediates for sulfonamide or polymer synthesis will find this product essential for their research and production processes.

Application

• Key intermediate in the synthesis of pharmaceutical active ingredients, particularly those containing sulfonamide moieties.
• Building block for the production of dyes, pigments, and photographic chemicals.
• Precursor in the manufacture of agrochemicals such as herbicides and fungicides.
• Used in polymer chemistry as a monomer or cross-linking agent for specialty resins.
• Intermediate for liquid crystal and other advanced material synthesis.
• Starting material in organic research and development for novel compound libraries.

Basic Information

Product Name	Carbamic Acid,n-[4-(Chlorosulfonyl)Phenyl]-, Ethyl Ester
CAS No.	21208-62-8
Molecular Formula	C9H10ClNO4S
Molecular Weight	263.70 g/mol
Synonyms	Ethyl N-[4-(Chlorosulfonyl)phenyl]carbamate; 4-(Ethoxycarbonylamino)benzenesulfonyl chloride; p-(Ethoxycarbonylamino)benzenesulfonyl chloride; Benzenesulfonyl chloride, 4-[(ethoxycarbonyl)amino]-; NSC 163063; Carbamic acid, [4-(chlorosulfonyl)phenyl]-, ethyl ester; Ethyl p-carbamoylbenzenesulfonate chloride
EINECS	Contact for details

Quality Control

Our Carbamic Acid,n-[4-(Chlorosulfonyl)Phenyl]-, Ethyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) documenting purity (typically >97% by HPLC), appearance, and other critical parameters is provided with each shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent decomposition. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Contact for details

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