Description

3-Fluoro-5-Methoxybenzenesulfonyl Chloride is a high-purity, multi-functional chemical building block essential for advanced organic synthesis. This compound serves as a critical reagent for introducing the sulfonyl chloride functional group into target molecules, enabling the creation of complex sulfonamides and sulfonate esters. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for drug discovery, intermediate synthesis, and the development of novel functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for creating sulfonamide-based drugs with potential therapeutic applications.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, where the sulfonyl moiety can enhance biological activity.
• Material Science Research: Employed in the production of specialty polymers, liquid crystals, and advanced organic electronic materials.
• Chemical Biology & Proteomics: Acts as a reactive handle for bioconjugation and labeling of biomolecules in probe development.
• Custom Synthesis & Contract Manufacturing: Sourced by CDMOs for the production of bespoke intermediates for client projects.
• Academic & Industrial R&D: Fundamental reagent in methodological development and exploratory chemistry within research laboratories.

Basic Information

Product Name	3-Fluoro-5-Methoxybenzenesulfonyl Chloride
CAS No.	1214366-25-2
Molecular Formula	C7H6ClFO3S
Molecular Weight	224.64 g/mol
Synonyms	3-Fluoro-5-methoxybenzenesulfonyl chloride; 5-Methoxy-3-fluorobenzenesulfonyl chloride; 1-Fluoro-3-methoxy-5-(chlorosulfonyl)benzene; 3-Fluoro-5-methoxyphenylsulfonyl chloride; 1214366-25-2; 3-Fluoro-5-methoxybenzene-1-sulfonyl chloride; 3-Fluoro-5-methoxybenzenesulphonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 3-Fluoro-5-Methoxybenzenesulfonyl Chloride is manufactured and tested under a strict quality management system. We guarantee high chemical purity and consistency, supported by comprehensive analytical documentation. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to ensure it meets your specific research or production requirements.

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 to prevent decomposition.

Specification

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

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