NB-5-MeO-DALT, also known as 5-MeO-DALT BOC or as N1-tert-butoxycarbonyl-5-methoxy-N,N-diallyltryptamine, is a psychedelic drug of the tryptamine and 5-methoxytryptamine families related to 5-MeO-DALT. It is the Nâ²-tert-butyloxycarbonyl (NBoc) derivative of 5-MeO-DALT. The drug is thought to be a prodrug of 5-MeO-DALT when subjected to sufficient heat, for instance when smoking. NB-5-MeO-DALT was encountered as a novel designer drug being sold online in August 2022.