N-(carbamoylamino)-2-methylpropanamide is an intermediate in the synthesis of N-tert-Butyl-3-isopropyl-5-oxo-4,5-dihydro-1H-1,2,4-triazole-1-carboxamide which is a metabolite of Amicarbazone (A605040); a triazolinone herbicide with a broad spectrum of weed control.