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

3-甲基-2-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)噻吩

Also known as: 3-Methylthiophene-2-boronic acid pinacol ester, 4,4,5,5-Tetramethyl-2-(3-methylthiophen-2-yl)-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-(3-methyl-2-thienyl)-1,3,2-dioxaborolane, 3-Methylthiophene-2-boronic acid pinacol ester 97%, 3-hydroxy-2,3-dimethylbutan-2-yl hydrogen (3-methylthiophen-2-yl)boronate, 1,3,2-dioxaborolane, 4,4,5,5-tetramethyl-2-(3-methyl-2-thienyl)-

CAS No.
885692-91-1
Jingsj CID
J-1010976-4
Molecular Formula
C11H17BO2S
Chinese Name
3-甲基-2-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)噻吩
Molecular Weight
224.128 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point57-62ºC
Boiling Point305.3±30.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point138.4±24.6 °C

Frequently Asked Questions

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

885692-91-1

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

C11H17BO2S, molecular weight 224.128 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026