Description

4-Ethanesulfonyl-Benzonitrile is a high-purity organic intermediate featuring a benzonitrile core functionalized with an ethanesulfonyl group. This compound is valued for its role as a versatile building block in advanced organic synthesis, particularly in the development of active pharmaceutical ingredients (APIs) and functional materials. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of novel drug candidates, especially those targeting central nervous system (CNS) disorders and inflammatory diseases.
• Agrochemical Synthesis: Used in the development of advanced herbicides and fungicides, leveraging its sulfonyl group for biological activity.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands in transition metal catalysis and organocatalysis.
• Material Science Research: Employed in the synthesis of organic semiconductors, liquid crystals, and polymers with specific electronic properties.
• Chemical Biology Probes: Utilized as a building block for designing activity-based probes and other tools for biochemical research.

Basic Information

Product Name	4-Ethanesulfonyl-Benzonitrile
CAS No.	409112-19-2
Molecular Formula	C9H9NO2S
Molecular Weight	195.24 g/mol
Synonyms	p-Ethanesulfonylbenzonitrile; 4-(Ethylsulfonyl)benzonitrile; Benzonitrile, 4-(ethylsulfonyl)-; 1-Cyano-4-(ethylsulfonyl)benzene; 4-Cyanophenyl ethyl sulfone; 409112-19-2; Ethyl 4-cyanophenyl sulfone
EINECS	Contact for details

Quality Control

Our 4-Ethanesulfonyl-Benzonitrile is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high standards, from early-stage R&D to scale-up production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	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.