(23 °C)| specific_rotation = -152° (ethanol)| sec_combustion =| bioavailability = 10-35% (inhalation), 6-20% (oral)| protein_bound = 95-99%| metabolism = mostly hepatic by CYP2C| elimination_half-life = 1.6-59 hours , 25-36 hours (orally administered Dronabinol)| excretion = 65-80% (feces), 20-35% (urine) as acid metabolites| licence_EU = | licence_US = | pregnancy_AU = | pregnancy_US = | pregnancy_category = C| legal_AU = | legal_CA = | legal_UK = | legal_US =| legal_status =| dependency_liability = Schedule I and III (US)| routes_of_administration =}}Tetrahydrocannabinol (, ), also known as THC, Δ9-THC, Δ9-tetrahydrocannabinol(delta-9-tetrahydrocannabinol), Δ1-tetrahydrocannabinol (using an older chemical nomenclature), or dronabinol, is the main psychoactive substance found in the Cannabis plant.It was isolated by Raphael Mechoulam, Yechiel Gaoni, and Habib Edery from the Weizm
Source:
http://en.wikipedia.org/wiki/T.H.C.