HU-210 is a synthetic cannabinoid that was discovered around 1988 in the group of Dr Raphael Mechoulam at the Hebrew University. HU-210 is 100 to 800 more potent than natural THC from Cannabis and has an extended duration of action. HU-210 is the (+)-1,1-dimethylheptyl analog of 7-hydroxy-delta-6-tetrahydrocannabinol. The abbreviation HU stands for Hebrew University.