o-Chloro-α,α-dimethylphenethylamine Hydrochloride is derived from 4-Chloro-N-(2-chloropropyl)benzeneethanamine Hydrochloride (C364255), which is used as a reagent in the synthesis of Lorcaserin (L469890, HCl); a novel selective 5-HT2C-receptor agonist for the treatment of obesity.