α-Ethyltryptamine (α-ET) is a tryptamine derivative with schedule I status in the United States. It has been reported to be a potent releaser of serotonin, norepinephrine, and dopamine as well as an inhibitor of monoamine oxidase. α-Ethyltryptamine (α-ET) is a tryptamine derivative with schedule I status in the United States. It has been reported to be a potent releaser of serotonin, norepinephrine, and dopamine as well as an inhibitor of monoamine oxidase. In tests of stimulus generalization in rats, α-ET generalized to DOM and PMMA with ED50 values of 0.4 and 0.7 mg/kg, respectively. This product is intended for forensic and research applications.