2-[4-(4-methoxyphenylethynyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

4-(4-甲氧基苯乙炔基)苯硼酸频哪醇酯

Also known as: 1,3,2-Dioxaborolane, 2-[4-[2-(4-methoxyphenyl)ethynyl]phenyl]-4,4,5,5-tetramethyl-, 2-{4-[(4-methoxyphenyl)ethynyl]phenyl}-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-{4-[2-(4-methoxyphenyl)ethynyl]phenyl}-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4-(4-Methoxyphenylethynyl)benzeneboronic acid pinacol ester

2-[4-(4-methoxyphenylethynyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1190376-24-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H23BO3 and a molecular weight of 334.21700 g/mol. It is also known as 1,3,2-Dioxaborolane, 2-[4-[2-(4-methoxyphenyl)ethynyl]phenyl]-4,4,5,5-tetramethyl-, 2-{4-[(4-methoxyphenyl)ethynyl]phenyl}-4,4,5,5-tetramethyl-1,3,2-dioxaborolane and 2-{4-[2-(4-methoxyphenyl)ethynyl]phenyl}-4,4,5,5-tetramethyl-1,3,2-dioxaborolane. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1190376-24-9
Jingsj CID
J-1607286-0
Molecular Formula
C21H23BO3
Chinese Name
4-(4-甲氧基苯乙炔基)苯硼酸频哪醇酯
Molecular Weight
334.21700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Frequently Asked Questions

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

The CAS number of 2-[4-(4-methoxyphenylethynyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is 1190376-24-9.

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

2-[4-(4-methoxyphenylethynyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane has molecular formula C21H23BO3 and molecular weight 334.21700 g/mol.

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

Last updated:

How to cite: Jingsj. "2-[4-(4-methoxyphenylethynyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1190376-24-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1607286-0 (accessed 2026-10-24).

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