5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

5-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)-1H-吡唑

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

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1086111-17-2) 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 1H-Pyrazole, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 1H-Pyrazole, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- and Pyrazole-5-boronic acid pinacol ester. Key properties include 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.

1086111-17-2

Jingsj CID

J-1048015-9

Molecular Formula

C₉H₁₅BN₂O₂

Chinese Name

5-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)-1H-吡唑

Molecular Weight

194.039 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026