Description

5-Fluoro-1,2-oxathiolane 2,2-Dioxide (CAS: 946078-69-9) is a high-purity fluorinated sulfone compound with the molecular formula C₃H₅FO₃S. This specialized chemical is widely utilized in advanced organic synthesis, pharmaceutical research, and materials science due to its unique structural and reactive properties. Its IUPAC name, 5-fluorooxathiolane 2,2-dioxide, reflects its cyclic sulfone core with a fluorine substituent, offering distinct reactivity for nucleophilic and electrophilic transformations. Available in rigorously controlled batches, this compound is ideal for researchers requiring precise fluorinated building blocks for drug development, electrolyte additives, or polymer modification. Packaged under inert conditions to ensure stability, it is supplied with comprehensive analytical data (including ¹H/¹³C NMR, HPLC, and MS) to guarantee quality and reproducibility.

Properties

• CAS Number: 946078-69-9
• Complexity: 167
• IUPAC Name: 5-fluorooxathiolane 2,2-dioxide
• InChI: InChI=1S/C3H5FO3S/c4-3-1-2-8(5,6)7-3/h3H,1-2H2
• InChI Key: YFBISIRGERQHGF-UHFFFAOYSA-N
• Exact Mass: 139.99434335
• Molecular Formula: C3H5FO3S
• Molecular Weight: 140.14
• SMILES: C1CS(=O)(=O)OC1F
• Topological: 51.8
• Monoisotopic Mass: 139.99434335
• Synonyms: 5-Fluoro-1,2-oxathiolane 2,2-Dioxide, 946078-69-9, 3-fluoro-1,3-propane sultone, SCHEMBL2236612, SY291798, CS-0458149

Application

5-Fluoro-1,2-oxathiolane 2,2-Dioxide serves as a key intermediate in the synthesis of fluorinated pharmaceuticals, particularly in the development of antiviral and anticancer agents. Its sulfone moiety is valuable for creating electrolyte additives in lithium-ion batteries, enhancing thermal stability and ionic conductivity. Researchers also employ it as a fluorinating reagent or cyclic sulfone precursor in polymer chemistry to modify material properties.

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