N-Acetyl 1,1-Diethylester 5-Aminopentanoic Acid-d6 is a labelled analogue of N-Acetyl 1,1-Diethylester 5-Aminopentanoic Acid (A168570), and an intermediate in synthesizing rac α-Aminoadipic Acid-d6 (A580502), which is a labelled amino acid isolated from Cholera vibrio.