

Indole-3-Butyric Acid Solution Indole-3-Butyric Acid Solution (1 mg/mL) (B2022808) from Molecular Depot is indole-3-butyric acid (IBA), an auxin. IBA is used to induce adventitious roots on microshoots and cuttings in tissue culture and horticulture. Available from MBP, a registered vendor at leading US research institutions.