Description

3-(Fluorosulfonyl)-5-((Trimethylsilyl)Ethynyl)Benzoic Acid is a high-purity, multi-functional organic building block designed for advanced chemical synthesis. This compound is valued for its unique combination of a reactive fluorosulfonyl group and a protected ethynyl moiety, enabling precise derivatization in complex molecular architectures. It is primarily utilized by research and development teams in the pharmaceutical, agrochemical, and materials science industries for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key synthon for the development of small molecule drug candidates, particularly in medicinal chemistry programs targeting sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents and herbicides, leveraging its reactive sites for structural diversification.
• Materials Science Research: Serves as a precursor for functionalized polymers, dendrimers, and advanced organic frameworks (MOFs/COFs) requiring specific surface modifications.
• Chemical Biology Probes: Employed in the synthesis of activity-based probes (ABPs) and labeling reagents due to the electrophilic fluorosulfonyl group's ability to modify proteins and other biomolecules.
• Cross-Coupling Reactions: The trimethylsilyl-protected alkyne group makes it a suitable substrate for Sonogashira and other palladium-catalyzed cross-coupling reactions to construct conjugated systems.
• High-Throughput Screening Libraries: A valuable building block for generating diverse compound libraries in drug discovery platforms.

Basic Information

Product Name	3-(Fluorosulfonyl)-5-((Trimethylsilyl)Ethynyl)Benzoic Acid (≥95%)
CAS No.	2088829-06-3
Molecular Formula	C12H13FO4SSi
Molecular Weight	312.38 g/mol
Synonyms	5-((Trimethylsilyl)ethynyl)-3-(fluorosulfonyl)benzoic acid; 3-Fluorosulfonyl-5-(trimethylsilylethynyl)benzoic Acid; Benzoic acid, 3-(fluorosulfonyl)-5-[(trimethylsilyl)ethynyl]-; TMS-Ethynyl-Fluorosulfonyl Benzoic Acid; 2088829-06-3; 3-FSO2-5-TMS-ethynyl-benzoic acid
EINECS	Contact for details

Quality Control

Our 3-(Fluorosulfonyl)-5-((Trimethylsilyl)Ethynyl)Benzoic Acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and a minimum purity of 95%. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity (HPLC), identity (NMR, IR), and impurity profiles. We adhere to cGMP principles where applicable, and our quality management system is designed to meet the stringent requirements of pharmaceutical and advanced material research.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when prolonged exposure is anticipated to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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