The 3-Indolebutyric acid, Its classification codes are: (1)Agricultural Chemical; (2)Growth regulator / Fertilizer; (3)Mutation data. This chemical is used to stimulate root formation of plant clippings. It is suitable for plant cell culture tested. This substance is a plant hormone in the auxin family and is an ingredient in many commercial horticultural plant rooting products.3-Indolebutyric acidcan be prepared by benzpyrole at the backflow temperature. This reaction will need reagent tetrahydronaphthalene.

IBA 3-Indolebutyric acid is an endogeous indole plant hormone which exists universally in plants, belonging to the indole compound.