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

3-甲基-5-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)吡啶

Also known as: 5-Methylpyridin-3-ylboronic acid pinacol ester, 3-Methylpyridine-5-boronic acid pinacol ester, 3-Picoline-5-boronic acid pinacolate, 5-Methylpyridine-3-boronic acid pinacol ester

3-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1171891-42-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H18BNO2 and a molecular weight of 219.08800 g/mol. It is also known as 5-Methylpyridin-3-ylboronic acid pinacol ester, 3-Methylpyridine-5-boronic acid pinacol ester and 3-Picoline-5-boronic acid pinacolate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1171891-42-1
Jingsj CID: J-1514792-9
Molecular Formula: C₁₂H₁₈BNO₂
Chinese Name: 3-甲基-5-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)吡啶
Molecular Weight: 219.08800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

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

The CAS number of 3-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine is 1171891-42-1.

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

3-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine has molecular formula C12H18BNO2 and molecular weight 219.08800 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. "3-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1171891-42-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1514792-9 (accessed 2026-10-24).

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