(4-Cyano-3-fluorophenyl)boronic acid
Also known as: 4-Cyano-3-fluorophenylboronic acid, 4-Cyano-3-fluorobenzeneboronic acid, 4-Borono-2-fluorobenzonitrile, Boronic acid, (4-cyano-3-fluorophenyl)-, Boronic acid, B-(4-cyano-3-fluorophenyl)-, 3-Fluoro-4-cyanophenylboronic acid, MFCD03411549
(4-Cyano-3-fluorophenyl)boronic acid (CAS 843663-18-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5BFNO2 and a molecular weight of 164.930 g/mol. Key properties include a melting point of 362-366, a boiling point of 354.4±52.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 168.2±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 843663-18-3
- Jingsj CID
- J-27964-1
- Molecular Formula
- C7H5BFNO2
- Molecular Weight
- 164.930 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 362-366 |
|---|---|
| Boiling Point | 354.4±52.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 168.2±30.7 °C |
| Exact Mass | 165.039734 |
| PSA | 64.25000 |
| LogP | 0.88 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.535 |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of (4-Cyano-3-fluorophenyl)boronic acid?
The CAS number of (4-Cyano-3-fluorophenyl)boronic acid is 843663-18-3.
What are the molecular formula and molecular weight of (4-Cyano-3-fluorophenyl)boronic acid?
(4-Cyano-3-fluorophenyl)boronic acid has molecular formula C7H5BFNO2 and molecular weight 164.930 g/mol.
What are the upstream and downstream products of (4-Cyano-3-fluorophenyl)boronic acid?
For (4-Cyano-3-fluorophenyl)boronic acid, Upstream Products: Trimethyl borate, 4-Bromo-2-fluorobenzonitrile, Triisopropyl borate; Downstream Products: 2-Fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile.
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-Cyano-3-fluorophenyl)boronic acid (CAS 843663-18-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27964-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.