4-Methylthiophene-3-boronic acid pinacol ester

4-甲基噻吩-3-硼酸频哪酯

Also known as: 4,4,5,5-tetramethyl-2-(4-methylthiophen-3-yl)-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-(4-methyl-3-thienyl)-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-(4-methylthien-3-yl)-1,3,2-dioxaborolane, 4-Methyl-3-thiopheneboronic acid pinacol ester

4-Methylthiophene-3-boronic acid pinacol ester (CAS 476620-20-9) 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 4,4,5,5-tetramethyl-2-(4-methylthiophen-3-yl)-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-(4-methyl-3-thienyl)-1,3,2-dioxaborolane and 4,4,5,5-Tetramethyl-2-(4-methylthien-3-yl)-1,3,2-dioxaborolane. Key properties include a boiling point of 305.304ºC at 760 mmHg, a density of 1.061g/cm3 and a flash point of 138.443ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

476620-20-9

Jingsj CID

J-1332015-5

Molecular Formula

C₁₁H₁₇BO₂S

Chinese Name

4-甲基噻吩-3-硼酸频哪酯

Molecular Weight

224.12700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026