Cycloate (S-ethyl N-cyclohexyl(N-ethyl)thiocarbamate) is the active ingredient of various herbicide formulations, such as Ro-Neet 6Eand Buranit 74EC, which are commonly used in Central Europe. It belongs to the thiocarbamates (carbamothioates), which aregenerally used as graminicides before emergence of crops. Thiocarbamates are strong inhibitors of very-long-chain fattyacid elongases. It is moderately toxic to mammals, a chilinesterase inhibitor and neurotoxin. It is also moderately toxic to most fauna and flora.