Description

5-Phenyl-2-Thiophenesulfonyl Chloride is a high-value organosulfur building block and sulfonylating agent, essential for advanced chemical synthesis. This compound matters for its role as a key intermediate in the development of active pharmaceutical ingredients (APIs) and functional materials, where precise molecular architecture is critical. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex sulfonamide derivatives and heterocyclic systems.

Application

• Pharmaceutical Intermediate: A crucial 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 and fungicides with tailored biological activity.
• Material Science Research: Serves as a monomer or functionalization agent in the creation of conductive polymers and advanced organic electronic materials.
• Chemical Biology & Proteomics: Employed as a labeling or cross-linking reagent for studying protein interactions and function.
• Dye & Pigment Manufacturing: Acts as an intermediate for synthesizing specialized thiophene-containing colorants and optical brighteners.
• Custom Synthesis & Contract Manufacturing: A key starting material for custom chemical synthesis services catering to R&D and pilot-scale production.

Basic Information

Product Name	5-Phenyl-2-Thiophenesulfonyl Chloride
CAS No.	97272-02-1
Molecular Formula	C10H7ClO2S2
Molecular Weight	258.74 g/mol
Synonyms	2-Thiophenesulfonyl chloride, 5-phenyl-; 5-Phenylthiophene-2-sulfonyl chloride; 5-Phenyl-2-thienylsulfonyl chloride; 2-(Chlorosulfonyl)-5-phenylthiophene; 5-Phenylthiophene-2-sulphonyl chloride; 97272-02-1; 5-Phenyl-2-thiophenesulphonyl chloride
EINECS	Contact for details

Quality Control

Our 5-Phenyl-2-Thiophenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

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). 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%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	< 20 ppm

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