Description

Benzene, 1-Fluoro-3-[(S)-Methylsulfinyl]- (9Ci) is a high-value chiral organosulfur compound featuring a fluorine substituent and a stereodefined methylsulfinyl group. This unique molecular architecture makes it a critical advanced pharmaceutical intermediate (API) and a versatile building block for asymmetric synthesis. It is primarily sought after by R&D and production teams in the pharmaceutical and agrochemical industries for developing novel active ingredients.

Application

• Pharmaceutical Intermediate: Key chiral precursor in the synthesis of novel drug candidates, particularly in kinase inhibitor and anti-inflammatory research.
• Asymmetric Synthesis: Serves as a chiral auxiliary or building block for constructing complex molecules with high enantiomeric purity.
• Agrochemical Research: Used in the development of new-generation herbicides and fungicides with improved efficacy and selectivity.
• Ligand and Catalyst Development: Employed in the creation of novel chiral ligands for transition metal catalysis.
• Material Science: Potential monomer or precursor for specialty polymers with unique electronic or surface properties.
• Academic & Contract Research: Essential reagent for methodological studies in organic and medicinal chemistry laboratories.

Basic Information

Product Name	Benzene, 1-Fluoro-3-[(S)-Methylsulfinyl]- (9Ci)
CAS No.	209852-82-4
Molecular Formula	C7H7FOS
Molecular Weight	158.19 g/mol
Synonyms	1-Fluoro-3-[(S)-Methylsulfinyl]benzene; (S)-1-Fluoro-3-(Methylsulfinyl)benzene; 3-Fluoro Phenyl Methyl Sulfoxide (S-isomer); 1-Fluoro-3-[(S)-Methanesulfinyl]benzene; (S)-3-Fluorophenyl Methyl Sulfoxide; 3-Fluoro Phenyl Methyl Sulphoxide (S); Benzene, 1-fluoro-3-[(S)-methylsulfinyl]-; 209852-82-4
EINECS	Contact for details

Quality Control

Our production of Benzene, 1-Fluoro-3-[(S)-Methylsulfinyl]- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high chiral purity. Each lot is characterized by HPLC, GC, NMR, and chiral analysis to confirm identity, chemical purity, and enantiomeric excess (ee). A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory documentation.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in the original packaging or amber glass until use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
Enantiomeric Purity (Chiral HPLC)	≥ 98.0% ee
Melting Point	Contact for details
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	< 10 ppm

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