1,5-Dimethyl-1H-pyrazole-4-boronic acid, pinacol ester

1,5-二甲基-1H-吡唑-4-硼酸频哪醇酯

Also known as: 1,5-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1,5-Dimethylpyrazole-4-boronic Acid Pinacol Ester, 1,5-Dimethyl-1H-pyrazol-4-ylboronic acid, pinacol ester, 1,5-Dimethyl-1H-pyrazole-4-boronic acid, pinacol ester 98%, 2-(1,5-Dimethyl-1H-pyrazol-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 1,5-Dimethyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1H-Pyrazole, 1,5-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-

1,5-Dimethyl-1H-pyrazole-4-boronic acid, pinacol ester (CAS 1036991-40-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H19BN2O2 and a molecular weight of 222.092 g/mol. It is also known as 1,5-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1,5-Dimethylpyrazole-4-boronic Acid Pinacol Ester and 1,5-Dimethyl-1H-pyrazol-4-ylboronic acid, pinacol ester. Key properties include a melting point of 87 °C, a boiling point of 322.3±30.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 148.7±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1036991-40-8

Jingsj CID

J-1347603-4

Molecular Formula

C₁₁H₁₉BN₂O₂

Chinese Name

1,5-二甲基-1H-吡唑-4-硼酸频哪醇酯

Molecular Weight

222.092 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026