N-Acetyl-S-(3-amino-2-hydroxy-3-oxopropyl)-L-cysteine-1,1-dimethylethyl Ester-d3 is an intermediate used in the synthesis of N-Acetyl-S-(2-hydroxy-3-propionamide)-L-cysteine-d3 Dicyclohexylammonium Salt (A179132), which is a labelled metabolite of Acrylamide.