Primidone (Standard) is the analytical standard of Primidone. This product is intended for research and analytical applications. Primidone is the orally active inhibitor for TRPM3 (IC50 = 0.6 µM), RIP kinase and voltage-gated sodium channel, and the antagonist for GABA receptor. Primidone can be used as the analgesic and anticonvulsant agent[1][2][3].