Description

5-Ethanesulfonyl-2-Fluoro-Benzoic Acid is a high-purity, synthetically valuable fluorinated benzoic acid derivative. This compound serves as a critical pharmaceutical intermediate and organic building block for advanced chemical synthesis. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecules with tailored properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a sulfonyl and fluorine moiety for bioactivity.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and pesticides where the fluorine atom enhances stability and efficacy.
• Material Science Research: Serves as a precursor for advanced polymers, liquid crystals, and organic electronic materials.
• Chemical Biology & Proteomics: Employed as a specialty reagent for designing enzyme inhibitors, probes, and linkers in biochemical research.
• Custom Synthesis & Contract Manufacturing: A valuable starting material for custom synthesis projects and scale-up production under cGMP or ISO standards.

Basic Information

Product Name	5-Ethanesulfonyl-2-Fluoro-Benzoic Acid
CAS No.	898258-55-4
Molecular Formula	C9H9FO4S
Molecular Weight	232.23 g/mol
Synonyms	2-Fluoro-5-(ethylsulfonyl)benzoic acid; Benzoic acid, 2-fluoro-5-(ethylsulfonyl)-; 5-(Ethylsulfonyl)-2-fluorobenzoic acid; 2-Fluoro-5-ethanesulfonylbenzoic acid; 898258-55-4
EINECS	Contact for details

Quality Control

Our 5-Ethanesulfonyl-2-Fluoro-Benzoic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets stringent specifications for research and production use. A detailed Certificate of Analysis (COA) is provided with each shipment, and custom purity grades are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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