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5-(4-Methylphenyl)thiophene-2-boronic acid

5-(4-甲基苯基)噻吩-2-硼酸

Also known as: [5-(4-Methylphenyl)thiophen-2-yl]boronic acid, (5-(p-tolyl)thiophen-2-yl)boronic acid, Boronic acid, B-[5-(4-methylphenyl)-2-thienyl]-, Boronic acid, [5-(4-methylphenyl)-2-thienyl]-

5-(4-Methylphenyl)thiophene-2-boronic acid (CAS 296768-49-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11BO2S and a molecular weight of 218.08000 g/mol. It is also known as [5-(4-Methylphenyl)thiophen-2-yl]boronic acid, (5-(p-tolyl)thiophen-2-yl)boronic acid and Boronic acid, B-[5-(4-methylphenyl)-2-thienyl]-. Key properties include a boiling point of 417.914ºC at 760 mmHg, a density of 1.259 g/cm3 and a flash point of 206.547ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
296768-49-5
Jingsj CID
J-1051841-0
Molecular Formula
C11H11BO2S
Chinese Name
5-(4-甲基苯基)噻吩-2-硼酸
Molecular Weight
218.08000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point417.914ºC at 760 mmHg
Density1.259 g/cm3
Flash Point206.547ºC

Frequently Asked Questions

What is the CAS number of 5-(4-Methylphenyl)thiophene-2-boronic acid?

The CAS number of 5-(4-Methylphenyl)thiophene-2-boronic acid is 296768-49-5.

What are the molecular formula and molecular weight of 5-(4-Methylphenyl)thiophene-2-boronic acid?

5-(4-Methylphenyl)thiophene-2-boronic acid has molecular formula C11H11BO2S and molecular weight 218.08000 g/mol.

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

Last updated:

How to cite: Jingsj. "5-(4-Methylphenyl)thiophene-2-boronic acid (CAS 296768-49-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1051841-0 (accessed 2026-10-25).

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