Copper(II) trifluoromethanesulfonate

Copper(II) trifluoromethanesulfonate 1g : Copper(II) trifluoromethanesulfonate (Cu(OTf)₂), a reliable Lewis acid catalyst for organic synthesis, including Diels–Alder, Friedel–Crafts, and cross-coupling reactions. High purity ensures reproducible reactivity in laboratory-scale research.