Used as a reagent in organic synthesis, particularly for the introduction of the trifluoroacetyl group to sensitive substrates. It is effective in the protection of hydroxyl and amino groups due to its selective reactivity and mild reaction conditions. Commonly employed in pharmaceutical synthesis where fluorinated compounds are needed, as the trifluoroacetyl group can act as a protecting group or as a precursor to trifluoromethyl-containing molecules. Also utilized in peptide chemistry to prevent racemization during coupling steps. Its stability and ease of removal under mild basic conditions make it valuable in multi-step synthetic routes.