2-(Benzo[b]thiophen-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

2-(1-苯并噻吩-5-基)-4,4,5,5-四甲基-1,3,2-二氧硼烷

Also known as: 2-(1-benzothiophen-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-(1-benzothiophen-5-yl)-4, 2-dioxaborolane, benzo[b]thiophene-5-boronic acid pinacol ester, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[b]thiophene, 2-(benzo[b]thiophen-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

2-(Benzo[b]thiophen-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 501945-71-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H17BO2S and a molecular weight of 260.160 g/mol. It is also known as 2-(1-benzothiophen-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-(1-benzothiophen-5-yl)-4 and 2-dioxaborolane. Key properties include a melting point of 118ºC, a boiling point of 377.7±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 182.2±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

501945-71-7

Jingsj CID

J-930551-3

Molecular Formula

C₁₄H₁₇BO₂S

Chinese Name

2-(1-苯并噻吩-5-基)-4,4,5,5-四甲基-1,3,2-二氧硼烷

Molecular Weight

260.160 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026