3-Aminochroman (3-AC or 3-AH), also known as 3,4-dihydro-3-amino-2H-1-benzopyran (DHABP), is a chroman derivative, a hard cyclized amphetamine structural analogue, and a chemically important reagent in pharmaceutical synthesis; most derivatives of 3-aminochroman are powerful psychoactive substances, 3-aminochroman exhibits relatively moderate to low biological activity.