Benzofuran-5-boronic acid pinacol ester

苯并呋喃-5-硼酸频哪醇酯

Also known as: 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-benzofuran, 2-(1-Benzofuran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-(Benzofuran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-(1-BenzofuraN-5-Yl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane, 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[b]furan, Benzo[b]furan-5-boronic acid, pinacol ester, Benzofuran, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)benzofuran, 2-(1-benzofuran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[b]furan

Benzofuran-5-boronic acid pinacol ester (CAS 519054-55-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H17BO3 and a molecular weight of 244.094 g/mol. It is also known as 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-benzofuran, 2-(1-Benzofuran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane and 2-(Benzofuran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane. Key properties include a melting point of 72ºC, a boiling point of 340.0±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 159.4±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

519054-55-8

Jingsj CID

J-1322310-2

Molecular Formula

C₁₄H₁₇BO₃

Chinese Name

苯并呋喃-5-硼酸频哪醇酯

Molecular Weight

244.094 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026