5-Cyanothiophene-2-boronic acid

5-氰基噻吩-2-硼酸

Also known as: 5-Cyano-2-thienylboronic acid, (5-cyanothiophen-2-yl)boronic acid, 5-Boronothiophene-2-carbonitrile, 5-cyano-2-thiophene boronic acid, 5-cyano-2-thiophenyl boronic acid, 5-cyanothiophen-2-yl-2-boronic acid, 5-cyanothiophen-2-ylboronic acid, Boronic acid, B-(5-cyano-2-thienyl)-, MFCD02094029, AKOS BRN-0236

5-Cyanothiophene-2-boronic acid (CAS 305832-67-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4BNO2S and a molecular weight of 152.967 g/mol. It is also known as 5-Cyano-2-thienylboronic acid, (5-cyanothiophen-2-yl)boronic acid and 5-Boronothiophene-2-carbonitrile. Key properties include a melting point of 175 °C, a boiling point of 369.3±52.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 177.1±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

305832-67-1

Jingsj CID

J-26060-4

Molecular Formula

C₅H₄BNO₂S

Chinese Name

5-氰基噻吩-2-硼酸

Molecular Weight

152.967 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026