MERCK 100354 Indole-3-Butyric Acid Lab (Merck İndol-3-Bütirik Asit) 5 Gr Indole-3-butyric acid LAB. CAS 133-32-4, Hill Formula C₁₂H₁₃NO₂, molar mass 203.24 g/mol. Indole-3-butyric acid MSDS (Material Safety Data Sheet) and ot