2-thiohydantoin

2-thiohydantoin

[¦tü ¦thī·ō·hī′dänt·ə‚win] (organic chemistry) NHC(S)NHC(O)CH2 Crystals or a tan powder with a melting point of 230°C; used in the manufacture of pharmaceuticals, rubber accelerators, and copper-plating brighteners. Also known as glycolythiourea.