4-Formylphenylboronic acid pinacol cyclic ester

Also known as: 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde, 4-Formylbenzeneboronic acid pinacol cyclic ester, 4-Formylphenylboronic acid pinacol ester, 4-Formylphenylboronic acid pinacolate, 2-(4-Formylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, AKOS BRN-1133, Benzaldehyde, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-

4-Formylphenylboronic acid pinacol cyclic ester (CAS 128376-64-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H17BO3 and a molecular weight of 232.083 g/mol. Key properties include a melting point of 55-58ºC, a boiling point of 341.3±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 160.2±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

128376-64-7

Jingsj CID

J-1418899-9

Molecular Formula

C₁₃H₁₇BO₃

Molecular Weight

232.083 g/mol

Category

Organic Acids

Last updated

8/21/2026