3-(tert-Butyldimethylsilyloxy) phenylboronic Acid (TBPB) 99.0% 7189-69-7$49.95PriceWeightSelectQuantity*Buy NowTechnical InformationAdditional InformationShipping InformationPackaging InformationBattery grade, ≥99.0% purity. Molecular Formula: C12H21BO3Si CAS #: 261621-12-9