8-Isoquinolinylboronic acid

Also known as: 8-Boronoisoquinoline, 8-ISOQUINOLINEBORONIC ACID, 8-ISOQUINOLINYL-BORONIC ACID, BORONIC ACID,8-ISOQUINOLINYL- (9CI), Boronic acid, B-8-isoquinolinyl-, Isoquinoliine-8-boronic acid, Isoquinolin-8-yl-8-boronic acid, Isoquinolin-8-ylboronic acid, Isoquinoline-8-boronic acid, Isoquinonline-8-boronic acid, isoquinolin-8-yl-8-boronic acid, isoquinolin-8-ylboronic acid

8-Isoquinolinylboronic acid (CAS 721401-43-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8BNO2 and a molecular weight of 172.976 g/mol. Key properties include a boiling point of 419.1±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 207.3±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 721401-43-0
Jingsj CID: J-1322726-4
Molecular Formula: C₉H₈BNO₂
Molecular Weight: 172.976 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	419.1±37.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	207.3±26.5 °C
Exact Mass	173.064804
PSA	53.35000
LogP	1.33
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.645

Frequently Asked Questions

What is the CAS number of 8-Isoquinolinylboronic acid?

The CAS number of 8-Isoquinolinylboronic acid is 721401-43-0.

What are the molecular formula and molecular weight of 8-Isoquinolinylboronic acid?

8-Isoquinolinylboronic acid has molecular formula C9H8BNO2 and molecular weight 172.976 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "8-Isoquinolinylboronic acid (CAS 721401-43-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1322726-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.