Description

(4-Trifluoromethylbenzenesulfonyl)Acetonitrile is a versatile and high-value organosulfur building block characterized by its reactive sulfonyl and nitrile functional groups. This compound is essential for advanced organic synthesis, particularly in the development of pharmaceuticals and agrochemicals, where it serves as a key precursor for creating complex molecular architectures. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel sulfonamide derivatives and other bioactive molecules.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting central nervous system disorders, inflammation, and infectious diseases.
• Agrochemical Synthesis: Used in the development of new-generation herbicides, fungicides, and insecticides, leveraging the trifluoromethyl group for enhanced biological activity and metabolic stability.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of advanced polymers and functional materials with specific electronic or surface properties.
• Chemical Biology & Proteomics: Employed as a reactive handle in activity-based protein profiling (ABPP) and the development of covalent enzyme inhibitors.
• Ligand & Catalyst Development: Utilized in the preparation of novel sulfonamide-based ligands for asymmetric catalysis and metal-organic frameworks (MOFs).
• Custom Synthesis & Contract Manufacturing: A key building block for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the life sciences sector.

Basic Information

Product Name	(4-Trifluoromethylbenzenesulfonyl)Acetonitrile
CAS No.	186405-37-8
Molecular Formula	C9H6F3NO2S
Molecular Weight	249.21 g/mol
Synonyms	4-(Trifluoromethyl)benzenesulfonylacetonitrile; p-Trifluoromethylbenzenesulfonylacetonitrile; α-Tosylacetonitrile, 4-trifluoromethyl-; (p-Trifluoromethylphenylsulfonyl)acetonitrile; 2-[(4-Trifluoromethylphenyl)sulfonyl]acetonitrile; 4-(Trifluoromethyl)phenylsulfonylacetonitrile; TFB-SAcn; TFSAN
EINECS	Contact for details

Quality Control

Every batch of (4-Trifluoromethylbenzenesulfonyl)Acetonitrile is manufactured under strict quality management systems and undergoes rigorous analytical testing to ensure consistency and purity. Our standard quality commitment includes comprehensive analysis via HPLC, GC, NMR, and MS to verify identity, potency, and impurity profiles. Certificates of Analysis (COA) with full traceability are provided for all commercial shipments, supporting compliance in cGMP and ISO 9001 environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). The compound is moisture-sensitive; keep the container tightly sealed under an inert atmosphere such as nitrogen or argon for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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