4,4,5,5-tetramethyl-2-[(E)-2-(2-methylphenyl)ethenyl]-1,3,2-dioxaborolane

2-甲基苯乙烯硼酸频哪醇酯

Also known as: (E)-4,4,5,5-tetramethyl-2-(2-methylstyryl)-1,3,2-dioxaborolane, (E)-2-(2-tolyl)ethenylboronic acid pinacol ester, 4,4,5,5-tetramethyl-2-[(1E)-2-(2-methylphenyl)ethenyl]-1,3,2-dioxaborolane, 2-Methyl-beta-styrylboronic acid pinacol ester, AK-47805, KB-209253, G72477, EN300-21040500, CS-0281866, EN300-802094, MFCD19703869, DTXSID00630467

4,4,5,5-tetramethyl-2-[(E)-2-(2-methylphenyl)ethenyl]-1,3,2-dioxaborolane (CAS 1294009-26-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H21BO2 and a molecular weight of 244.13700 g/mol. It is also known as (E)-4,4,5,5-tetramethyl-2-(2-methylstyryl)-1,3,2-dioxaborolane, (E)-2-(2-tolyl)ethenylboronic acid pinacol ester and 4,4,5,5-tetramethyl-2-[(1E)-2-(2-methylphenyl)ethenyl]-1,3,2-dioxaborolane. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1294009-26-9
Jingsj CID
J-1501093-9
Molecular Formula
C15H21BO2
Chinese Name
2-甲基苯乙烯硼酸频哪醇酯
Molecular Weight
244.13700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 4,4,5,5-tetramethyl-2-[(E)-2-(2-methylphenyl)ethenyl]-1,3,2-dioxaborolane?

The CAS number of 4,4,5,5-tetramethyl-2-[(E)-2-(2-methylphenyl)ethenyl]-1,3,2-dioxaborolane is 1294009-26-9.

What are the molecular formula and molecular weight of 4,4,5,5-tetramethyl-2-[(E)-2-(2-methylphenyl)ethenyl]-1,3,2-dioxaborolane?

4,4,5,5-tetramethyl-2-[(E)-2-(2-methylphenyl)ethenyl]-1,3,2-dioxaborolane has molecular formula C15H21BO2 and molecular weight 244.13700 g/mol.

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

Last updated:

How to cite: Jingsj. "4,4,5,5-tetramethyl-2-[(E)-2-(2-methylphenyl)ethenyl]-1,3,2-dioxaborolane (CAS 1294009-26-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1501093-9 (accessed 2026-10-24).

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