6-(γ,γ-Dimethylallylamino)purine is a 6-isopentenylaminopurine in which has the isopentenyl double bond is located between the 2 and 3 positions of the isopentenyl group. 6-(γ,γ-Dimethylallylamino)purine (2iP) is a bacteria-derived riboside cytokinin used to grow plant tissues such as tobacco and soybean callus.