Description

4-(Benzenesulfonyl)Thiophene-2-Sulfonyl Chloride is a high-purity sulfonyl chloride derivative, a critical building block in advanced organic synthesis. This compound is valued for its dual reactive sites, enabling the efficient construction of complex sulfonamide and sulfonate structures. It is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients 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 creating novel herbicides, fungicides, and insecticides with sulfonyl-containing bioactive moieties.
• Polymer Chemistry: Serves as a functional monomer or cross-linking agent for producing specialty polymers with specific sulfonyl group properties.
• Material Science Research: Employed in the development of advanced organic electronic materials, dyes, and photoactive compounds.
• Chemical Biology Probes: Useful for labeling proteins or modifying biomolecules due to its reactive sulfonyl chloride group.
• Custom Synthesis & Contract Manufacturing: A vital starting material for fine chemical manufacturers offering bespoke synthesis services.

Basic Information

Product Name	4-(Benzenesulfonyl)Thiophene-2-Sulfonyl Chloride
CAS No.	160233-28-3
Molecular Formula	C10H7ClO4S3
Molecular Weight	322.80 g/mol
Synonyms	2-Thiophenesulfonyl chloride, 4-(phenylsulfonyl)-; 4-(Phenylsulfonyl)thiophene-2-sulfonyl chloride; 4-(Benzenesulfonyl)-2-thiophenesulfonyl chloride; 4-(Benzenesulphonyl)thiophene-2-sulphonyl chloride; Thiophene-2-sulfonyl chloride, 4-(phenylsulfonyl)-; 160233-28-3; 4-Benzenesulfonylthiophene-2-sulfonyl Chloride
EINECS	Contact for details

Quality Control

Our production of 4-(Benzenesulfonyl)Thiophene-2-Sulfonyl Chloride adheres to stringent internal quality standards to ensure batch-to-batch consistency and high chemical purity. Each lot is fully characterized and undergoes rigorous analytical testing. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, amines, and alcohols.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.