Description
3-Fluorothioanisole (CAS No. 658-28-6) is a high-purity fluorinated aromatic thioether with the molecular formula C7H7FS. This specialized organosulfur compound, also known by its IUPAC name 1-fluoro-3-methylsulfanylbenzene, features a fluorine substituent at the meta position relative to the methylthio group, offering unique electronic and steric properties for advanced synthetic applications. Our product is rigorously tested to meet the highest standards of purity and consistency, making it ideal for pharmaceutical intermediates, agrochemical research, and materials science. Available in various quantities with detailed analytical certificates (including GC/MS, NMR, and HPLC data), this compound is packaged under inert conditions to ensure stability. Suitable for use in cross-coupling reactions, ligand design, and as a building block for fluorinated heterocycles.
Properties
- CAS Number: 658-28-6
- Complexity: 85
- IUPAC Name: 1-fluoro-3-methylsulfanyl-benzene
- InChI: InChI=1S/C7H7FS/c1-9-7-4-2-3-6(8)5-7/h2-5H,1H3
- InChI Key: SQXSNYMCORGWCE-UHFFFAOYSA-N
- Exact Mass: 142.02524956
- Molecular Formula: C7H7FS
- Molecular Weight: 142.20
- SMILES: CSC1=CC=CC(=C1)F
- Topological: 25.3
- Monoisotopic Mass: 142.02524956
- Synonyms: 3-Fluorothioanisole, 658-28-6, 1-Fluoro-3-(methylthio)benzene, DTXSID70374664, DTXCID50325694, 673-652-2, (3-fluorophenyl)(methyl)sulfane, 1-fluoro-3-methylsulfanylbenzene, 1-fluoro-3-(methylsulfanyl)benzene, 3-Fluorophenyl Methyl Sulfide, Benzene, 1-fluoro-3-(methylthio)-, 1-fluoro-3-methylsulfanyl-benzene, MFCD03789131, 3-fluoro-1-methylthiobenzene, SCHEMBL776328, SCHEMBL1145703, SCHEMBL1419444, SCHEMBL1528824, SCHEMBL8463422, SCHEMBL15654795, SBB086251, AKOS006344967, PS-8999, AC-16441, CS-0194941, F0582, A12732
Application
3-Fluorothioanisole serves as a versatile synthon in medicinal chemistry for introducing fluorine-containing motifs into drug candidates. Researchers utilize its methylthio group for palladium-catalyzed coupling reactions in fragment-based drug discovery. The compound’s electron-withdrawing fluorine enhances its utility in materials science for developing liquid crystals and conductive polymers. In agrochemical research, it acts as a precursor for fluorinated pesticides and herbicides.
Safety and Hazards
GHS Hazard Statements
- H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
- H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H335 (50%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary Statements
- P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
Hazard Classes and Categories
- Skin Irrit. 2 (100%)
- Eye Irrit. 2 (100%)
- STOT SE 3 (50%)
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