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

1-苯基-5-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)-1H-吡唑

Also known as: 1-Phenyl-1H-pyrazole-5-boronic Acid Pinacol Ester, (1-Phenyl-1H-pyrazol-5-yl)boronic acid pinacol ester, 1-Phenyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole, 1H-Pyrazole, 1-phenyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-

1-Phenyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1238702-58-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C15H19BN2O2 and a molecular weight of 270.135 g/mol. It is also known as 1-Phenyl-1H-pyrazole-5-boronic Acid Pinacol Ester, (1-Phenyl-1H-pyrazol-5-yl)boronic acid pinacol ester and 1-Phenyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole. Key properties include a boiling point of 389.8±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 189.6±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1238702-58-3

Jingsj CID

J-1385654-2

Molecular Formula

C₁₅H₁₉BN₂O₂

Chinese Name

1-苯基-5-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)-1H-吡唑

Molecular Weight

270.135 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026