4-Bromoisoquinolin-1(2H)-one
Also known as: 4-Bromo-1(2H)-isoquinolinone, 4-Bromo-1(2H)-isoquinolone, 4-Bromo-1-hydroxyisoquinoline, 4-Bromo-2H-isoquinolin-1-one, 4-Bromoisoquinolin-1-ol, 4-Bromoisocarbostyril, 4-bromo-1,2-dihydroisoquinolin-1-one
4-Bromoisoquinolin-1(2H)-one (CAS 3951-95-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6BrNO and a molecular weight of 224.054 g/mol. Key properties include a boiling point of 408.0±45.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 200.5±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3951-95-9
- Jingsj CID
- J-1303088-1
- Molecular Formula
- C9H6BrNO
- Molecular Weight
- 224.054 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 408.0±45.0 °C at 760 mmHg |
|---|---|
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 200.5±28.7 °C |
| Exact Mass | 222.963272 |
| PSA | 33.12000 |
| LogP | 1.49 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.654 |
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4-Bromoisoquinolin-1(2H)-one?
The CAS number of 4-Bromoisoquinolin-1(2H)-one is 3951-95-9.
What are the molecular formula and molecular weight of 4-Bromoisoquinolin-1(2H)-one?
4-Bromoisoquinolin-1(2H)-one has molecular formula C9H6BrNO and molecular weight 224.054 g/mol.
What are the upstream and downstream products of 4-Bromoisoquinolin-1(2H)-one?
For 4-Bromoisoquinolin-1(2H)-one, Upstream Products: Isoquinolin-1(2H)-one, 4-Bromoisoquinoline 2-oxide; Downstream Products: 1-Oxo-1,2-dihydro-4-isoquinolinecarboxylic acid, 4-Bromo-1-chloroisoquinoline, 1-oxo-1,2-dihydroisoquinoline-4-carbaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Bromoisoquinolin-1(2H)-one (CAS 3951-95-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1303088-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.