tert-butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinate; CAS No.: 1354356-24-3; As a chemical online store, ChemShuttle provides screening compounds such as tert-butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinate, a boronic ester-substituted pyridine ester used in pharmaceutical synthesis. The company ensures high-purity standards and reliable delivery.