1-Methyl-1H-pyrazole-5-boronic acid pinacol ester

1-甲基-1H-吡唑-5-硼酸频哪醇酯

Also known as: 1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1-Methyl-1H-pyrazole-5-boronic acid pinacol, 1-Methyl-1H-pyrazole-5-boronic acid pinacol ester, 1-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole, 2-(1-Methyl-1H-pyrazol-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-pyrazole, MFCD05861380

1-Methyl-1H-pyrazole-5-boronic acid pinacol ester (CAS 847818-74-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H17BN2O2 and a molecular weight of 208.065 g/mol. It is also known as 1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1-Methyl-1H-pyrazole-5-boronic acid pinacol and 1-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole. Key properties include a melting point of 58-61°C, a boiling point of 308.3±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 140.3±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

847818-74-0

Jingsj CID

J-18431-7

Molecular Formula

C₁₀H₁₇BN₂O₂

Chinese Name

1-甲基-1H-吡唑-5-硼酸频哪醇酯

Molecular Weight

208.065 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026