CAS 913835-65-1 appears in our catalog under these names: Pyridine–4–Boronic Acid Hydrochloride, Pyridine-4-boronic acid hydrochloride, 95% , Pyridin-4-ylboronic acid hydrochloride 98%, PYRIDINE-4-BORONIC ACID HYDROCHLORIDE, 96%, 96%, Pyridine-4-boronic acid hydrochloride, 96%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Ambeed, Chemat, Fluorochem. Available pack sizes: 25g, 1g, 5g, 100g.