2-(9,9'-spirobi[fluoren]-7-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; CAS No.: 884336-44-1; As a chemical online store, ChemShuttle offers 2-(9,9'-spirobi[fluoren]-7-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane for advanced organic synthesis. We specialize in CRO chemical synthesis, delivering high-purity intermediates for scientific applications.