(2S)-2-amino-6-[(2,2,2-trifluoroacetyl)amino]hexanoic acid

This compound is an N6-acylated derivative of L-lysine, featuring a trifluoroacetamide group at the side-chain nitrogen and a free carboxylic acid at the alpha carbon. It is used as a research reagent in peptide synthesis and amino acid modification studies, particularly for investigating protecting group strategies for the lysine side chain.