Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-3-carboxylate

5-(4,4,5,5-四甲基-1,3,2-二氧杂硼戊环-2-基)噻吩-3-羧酸甲酯

Also known as: 4-(Methoxycarbonyl)thiophene-2-boronic acid pinacol ester, Methyl 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate, 5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-thiophene-3-carboxylic acid methyl ester, Methyl thiophene-2-boronic acid pinacol ester-4-carboxylate

Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-3-carboxylate (CAS 1040281-86-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H17BO4S and a molecular weight of 268.13700 g/mol. It is also known as 4-(Methoxycarbonyl)thiophene-2-boronic acid pinacol ester, Methyl 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate and 5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-thiophene-3-carboxylic acid methyl ester. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1040281-86-4

Jingsj CID

J-987783-2

Molecular Formula

C₁₂H₁₇BO₄S

Chinese Name

5-(4,4,5,5-四甲基-1,3,2-二氧杂硼戊环-2-基)噻吩-3-羧酸甲酯

Molecular Weight

268.13700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026