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

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

Also known as: Methyl 2-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]acetate, 1-(2-Methoxy-2-oxoethyl)-1H-pyrazol-4-ylboronic acid pinacol ester, (1-(2-Methoxy-2-oxoethyl)-1H-pyrazol-4-yl)boronic acid pinacol ester, Methyl [4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]acetate, 1H-Pyrazole-1-acetic acid, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, methyl ester

Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-acetate (CAS 959585-44-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H19BN2O4 and a molecular weight of 266.101 g/mol. It is also known as Methyl 2-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]acetate, 1-(2-Methoxy-2-oxoethyl)-1H-pyrazol-4-ylboronic acid pinacol ester and (1-(2-Methoxy-2-oxoethyl)-1H-pyrazol-4-yl)boronic acid pinacol ester. Key properties include a boiling point of 377.3±22.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 182.0±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

959585-44-5

Jingsj CID

J-1377866-8

Molecular Formula

C₁₂H₁₉BN₂O₄

Chinese Name

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

Molecular Weight

266.101 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026