S-Methyl-N,N-diethylthiocarbamate Sulfoxide, is an oxygenated metabolite of Disulfiram (Antabuse) that is capable of in vitro inactivation of liver mitochondrial aldehyde dehydrogenase (EC 1.2.1.3, ALDH).This compound is suitable for aldehyde dehydrogenase (ALDH) related research.