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

2-甲氧基甲酰基噻吩-3-硼酸频哪醇酯

Also known as: 2-Methoxycarbonylthiophene-3-boronic acid pinacol ester, 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-thiophenecarboxylic acid methyl ester, (2-(Methoxycarbonyl)thiophen-3-yl)boronic acid pinacol ester, 2-Thiophenecarboxylic acid, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, methyl ester, QC-4882

Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate (CAS 1227664-10-9) 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 2-Methoxycarbonylthiophene-3-boronic acid pinacol ester, 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-thiophenecarboxylic acid methyl ester and (2-(Methoxycarbonyl)thiophen-3-yl)boronic acid pinacol ester. Key property: a density of 1.16. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1227664-10-9
Jingsj CID
J-1078261-5
Molecular Formula
C12H17BO4S
Chinese Name
2-甲氧基甲酰基噻吩-3-硼酸频哪醇酯
Molecular Weight
268.13700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Density1.16

Frequently Asked Questions

What is the CAS number of Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate?

The CAS number of Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate is 1227664-10-9.

What are the molecular formula and molecular weight of Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate?

Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate has molecular formula C12H17BO4S and molecular weight 268.13700 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate (CAS 1227664-10-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1078261-5 (accessed 2026-10-24).

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