1H-Pyrazole-3-boronic acid pinacol ester

1H-吡唑-3-硼酸频哪醇酯

Also known as: 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1H-Pyrazole-5-boronic acid pinacol ester, Pyrazole-3-boronic acid pinacol ester, 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole, 3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole, MFCD07368044

1H-Pyrazole-3-boronic acid pinacol ester (CAS 844501-71-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H15BN2O2 and a molecular weight of 194.039 g/mol. It is also known as 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1H-Pyrazole-5-boronic acid pinacol ester and Pyrazole-3-boronic acid pinacol ester. Key properties include a melting point of 105-108ºC, a boiling point of 335.4±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 156.6±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

844501-71-9

Jingsj CID

J-1408766-2

Molecular Formula

C₉H₁₅BN₂O₂

Chinese Name

1H-吡唑-3-硼酸频哪醇酯

Molecular Weight

194.039 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026