Description

2-Fluoro-4-(pentafluorosulfur)aniline (CAS: 1240257-25-3) is a high-purity fluorinated aromatic amine compound with the molecular formula C₆H₅F₆NS. This specialized chemical features a pentafluorosulfur (-SF₅) substituent and a fluoro group on the aniline backbone, making it a valuable building block for advanced organic synthesis and pharmaceutical research. The compound is supplied as a stable, crystalline solid with ≥97% purity (GC), ideal for nucleophilic substitution reactions, cross-coupling chemistry, and the development of SF₅-containing bioactive molecules. Proper storage at 2-8°C under inert atmosphere is recommended to maintain optimal stability. Suitable for researchers working in medicinal chemistry, agrochemical development, and materials science applications requiring high-performance fluorinated intermediates.

Properties

• CAS Number: 1240257-25-3
• Complexity: 234
• IUPAC Name: 2-fluoro-4-(pentafluoro-lambda6-sulfanyl)aniline
• InChI: InChI=1S/C6H5F6NS/c7-5-3-4(1-2-6(5)13)14(8,9,10,11)12/h1-3H,13H2
• InChI Key: VNFMUDAEGKTTOA-UHFFFAOYSA-N
• Exact Mass: 237.00468931
• Molecular Formula: C6H5F6NS
• Molecular Weight: 237.17
• SMILES: C1=CC(=C(C=C1S(F)(F)(F)(F)F)F)N
• Topological: 27
• Monoisotopic Mass: 237.00468931
• Synonyms: 2-Fluoro-4-(pentafluorosulfur)aniline, 1240257-25-3, 2-fluoro-4-(pentafluoro-lambda6-sulfanyl)aniline, 2-Fluoro-4-(pentafluorothio)aniline, 2-Fluoro-4-(pentafluorothio)aniline, 97per cent, MFCD16652511, 2-FLUORO-4-(PENTAFLUORO-??-SULFANYL)ANILINE, AKOS015957089, JS-4060, CS-0442894, H42146

Application

This SF₅-containing aniline derivative serves as a key intermediate in the synthesis of fluorinated pharmaceuticals and agrochemicals, where the pentafluorosulfur group enhances metabolic stability and lipophilicity. It is particularly valuable for creating novel kinase inhibitors and CNS-targeting compounds in medicinal chemistry. The compound’s unique electronic properties also make it useful in advanced material science applications, including liquid crystals and high-performance polymers.

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