N-Acetylglycine -d 2 (Aceturic acid-d 2 ; Acetamidoacetic acid-d 2 ) is the deuterated labeled N-Acetylglycine. N-Acetylglycine (Aceturic acid) is a minor constituent of numerous foods with no genotoxicity or acute toxicity. N-acetylglycine is used in biological research of peptidomimetics.