isoquinolin-5-ylboronic acid
Also known as: 5-isoquinolineboronic acid, 5-isoquinolinylboronic acid, boronic acid, B-5-isoquinolinyl-, isoquinoline-5-boronic acid, MFCD03839356
isoquinolin-5-ylboronic acid (CAS 371766-08-4) 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 melting point of 166-188ºC, 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.
- 371766-08-4
- Jingsj CID
- J-1331949-8
- Molecular Formula
- C9H8BNO2
- Molecular Weight
- 172.976 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 166-188ºC |
|---|---|
| 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 |
| Storage Conditions | Keep Cold |
Customs & Trade Information
| HS Code | 2933499090 |
|---|---|
| Summary | 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of isoquinolin-5-ylboronic acid?
The CAS number of isoquinolin-5-ylboronic acid is 371766-08-4.
What are the molecular formula and molecular weight of isoquinolin-5-ylboronic acid?
isoquinolin-5-ylboronic acid has molecular formula C9H8BNO2 and molecular weight 172.976 g/mol.
What are the upstream and downstream products of isoquinolin-5-ylboronic acid?
For isoquinolin-5-ylboronic acid, Upstream Products: 5-Bromoisoquinoline, Triisopropyl borate, Trimethyl borate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "isoquinolin-5-ylboronic acid (CAS 371766-08-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1331949-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.