Dimethylheptylpyran

Dimethylheptylpyran (DMHP, 3-(1,2-dimethylheptyl)-Δ-THC, 1,2-dimethylheptyl-ΔTHC, A-40824, EA-1476) is a synthetic analogue of THC, which was invented in 1949 during attempts to elucidate the structure of Δ-THC, one of the active components of cannabis. DMHP is a pale yellow, viscous oil which is insoluble in water, but dissolves in alcohol or non-polar solvents.