4,4,5,5-tetramethyl-2-(4-methylthiophen-2-yl)-1,3,2-dioxaborolane

4-甲基噻吩-2-硼酸频哪醇酯

Also known as: 4-Methylthiophene-2-boronic acid pinacol ester, 2-(4-Methyl-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene, 4-Methyl-2-thienylboronic acid pinacol ester, 4,4,5,5-Tetramethyl-2-(4-methyl-2-thienyl)-1,3,2-dioxaborolane, Methylthiophene-2-boronic acid pinacol ester, 4-Methylthiophene-2-boronic acid, pinacol ester

4,4,5,5-tetramethyl-2-(4-methylthiophen-2-yl)-1,3,2-dioxaborolane (CAS 635305-48-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H17BO2S and a molecular weight of 224.12700 g/mol. It is also known as 4-Methylthiophene-2-boronic acid pinacol ester, 2-(4-Methyl-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane and 4-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene. Key properties include a melting point of 26-31ºC, a boiling point of 93 °C/0.8 mmHg and a flash point of 110ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

635305-48-5

Jingsj CID

J-1016913-1

Molecular Formula

C₁₁H₁₇BO₂S

Chinese Name

4-甲基噻吩-2-硼酸频哪醇酯

Molecular Weight

224.12700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026