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

1-甲基吡唑-3-硼酸频哪醇酯

Also known as: 1-Methylpyrazole-3-boronic Acid Pinacol Ester, 1-Methylpyrazol-3-yl-boronic acid pinacol ester, 1-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole, 1-Methyl-3-(tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1-Methylpyrazol-3-yl-4,4,5,5-tetraMethyl-[1,3,2]dioxaborolane, (1-Methyl-1H-pyrazol-3-yl)boronic acid pinacol ester, 1H-Pyrazole, 1-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-

1-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1020174-04-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H17BN2O2 and a molecular weight of 208.065 g/mol. It is also known as 1-Methylpyrazole-3-boronic Acid Pinacol Ester, 1-Methylpyrazol-3-yl-boronic acid pinacol ester and 1-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole. Key properties include a boiling point of 308.3±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 140.3±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1020174-04-2
Jingsj CID
J-1067429-9
Molecular Formula
C10H17BN2O2
Chinese Name
1-甲基吡唑-3-硼酸频哪醇酯
Molecular Weight
208.065 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point308.3±15.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point140.3±20.4 °C

Frequently Asked Questions

What is the CAS number of 1-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?

The CAS number of 1-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is 1020174-04-2.

What are the molecular formula and molecular weight of 1-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?

1-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole has molecular formula C10H17BN2O2 and molecular weight 208.065 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1020174-04-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1067429-9 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.