(5-Cyanobenzo[b]thiophen-2-yl)boronic acid

5-氰基苯并[b]噻吩-2-基硼酸

Also known as: (5-Cyano-1-benzothiophen-2-yl)boronic acid, 5-Cyanobenzo[b]thiophen-2-ylboronic acid, 5-Cyanobenzo[b]thiophene-2-boronic acid, B-(5-Cyanobenzo[b]thien-2-yl)boronic acid, B-(5-Cyanobenzo[b]thiophen-2-yl)boronic acid, Boronic acid, B-(5-cyanobenzo[b]thien-2-yl)-, MFCD15143421

(5-Cyanobenzo[b]thiophen-2-yl)boronic acid (CAS 1142946-81-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6BNO2S and a molecular weight of 203.02500 g/mol. It is also known as (5-Cyano-1-benzothiophen-2-yl)boronic acid, 5-Cyanobenzo[b]thiophen-2-ylboronic acid and 5-Cyanobenzo[b]thiophene-2-boronic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1142946-81-3
Jingsj CID: J-1496361-0
Molecular Formula: C₉H₆BNO₂S
Chinese Name: 5-氰基苯并[b]噻吩-2-基硼酸
Molecular Weight: 203.02500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of (5-Cyanobenzo[b]thiophen-2-yl)boronic acid?

The CAS number of (5-Cyanobenzo[b]thiophen-2-yl)boronic acid is 1142946-81-3.

What are the molecular formula and molecular weight of (5-Cyanobenzo[b]thiophen-2-yl)boronic acid?

(5-Cyanobenzo[b]thiophen-2-yl)boronic acid has molecular formula C9H6BNO2S and molecular weight 203.02500 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(5-Cyanobenzo[b]thiophen-2-yl)boronic acid (CAS 1142946-81-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1496361-0 (accessed 2026-10-25).

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