2,5-dimethoxy-4-bromophenylpiperazine (2C-B-PP) is a drug of the phenylpiperazine class.

It acts as an agonist at serotonin receptors, and in studies on rats substituted for the psychedelic amphetamine derivative DOM with around 1/10 the potency but similar rates of stimulus-appropriate responding at the highest dose.

[1][2]: 867–868