Description

m-Ethylbenzenesulphonyl Fluoride is a specialized organosulfur compound featuring a sulfonyl fluoride functional group. This reactive intermediate is valued for its role as a key building block in the synthesis of more complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought after by R&D chemists and process development scientists working in medicinal chemistry, where it serves as a versatile precursor for sulfonamide and sulfonate derivatives.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of sulfonamide-based drug candidates, including protease inhibitors and other bioactive molecules.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides that incorporate sulfonyl groups.
• Chemical Biology & Proteomics: Acts as a reactive handle in activity-based protein profiling (ABPP) and the development of covalent enzyme inhibitors.
• Material Science Research: Employed in the creation of specialized polymers and surface-modifying agents that require sulfonyl fluoride chemistry.
• Custom Synthesis & Contract Manufacturing: Serves as a starting material for the custom production of complex, sulfonyl-containing compounds for various industries.

Basic Information

Product Name	m-Ethylbenzenesulphonyl Fluoride
CAS No.	34586-50-0
Molecular Formula	C8H9FO2S
Molecular Weight	188.22 g/mol
Synonyms	3-Ethylbenzenesulfonyl Fluoride; m-Ethylphenylsulfonyl Fluoride; 1-Ethyl-3-sulfonylfluorobenzene; 3-Ethylbenzene-1-sulfonyl Fluoride; Benzenesulfonyl Fluoride, 3-ethyl-; 34586-50-0 (CAS); 3-Et-PhSO2F
EINECS	Contact for details

Quality Control

Our m-Ethylbenzenesulphonyl Fluoride is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for research and development materials.

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 should be handled under anhydrous conditions when possible to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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