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

Also known as: 1H-Pyrazole, 1-[3-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-, 2-Methyl-4-(1H-pyrazol-1-yl)phenylboronic acid pinacol ester

1-[3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1H-pyrazole (CAS 858523-46-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H21BN2O2 and a molecular weight of 284.2 g/mol. It is also known as 1H-Pyrazole, 1-[3-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]- and 2-Methyl-4-(1H-pyrazol-1-yl)phenylboronic acid pinacol ester. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 858523-46-3
Jingsj CID: J-1874347-4
Molecular Formula: C₁₆H₂₁BN₂O₂
Molecular Weight: 284.2 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

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

The CAS number of 1-[3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1H-pyrazole is 858523-46-3.

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

1-[3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1H-pyrazole has molecular formula C16H21BN2O2 and molecular weight 284.2 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-[3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1H-pyrazole (CAS 858523-46-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1874347-4 (accessed 2026-10-24).

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