2-(1,3,2-DIOXABORINAN-2-YL)BENZONITRILE

2-(1,3,2-dioxaborinan-2-yl)benzonitrile (CAS 172732-52-4) — a boronic acid cyclic ester of 2-cyanophenyl with 1,3-propanediol, as described in the supplier's own product notes — is an industrial-grade pharmaceutical intermediate manufactured directly by 2A Biotech USA and distributed across Asia, North America, Central/South America, Western and Eastern Europe, Australasia, and the Middle East.