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

1-乙基吡唑-5-硼酸频哪醇酯

Also known as: (1-ETHYL-1H-PYRAZOL-5-YL)BORONIC ACID PINACOL ESTER, 1-ETHYL-5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PYRAZOLE, 1-Ethyl-1H-pyrazole-5-boronic acid pinacol ester, 1-Ethylpyrazole-5-boronic acid, pinacol ester, 1-ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole, 1-ethyl-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1H-Pyrazole, 1-ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, N-ethylpyrazole-5- boronic ester

1-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1007110-53-3) 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-ETHYL-1H-PYRAZOL-5-YL)BORONIC ACID PINACOL ESTER, 1-ETHYL-5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PYRAZOLE and 1-Ethyl-1H-pyrazole-5-boronic acid pinacol ester. Key properties include a boiling point of 322.6±15.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 148.9±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1007110-53-3

Jingsj CID

J-1448178-3

Molecular Formula

C₁₁H₁₉BN₂O₂

Chinese Name

1-乙基吡唑-5-硼酸频哪醇酯

Molecular Weight

222.092 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026