7-Chloro-6-fluoro-1-(4-fluorophenyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
Also known as: Difloxacin impurity G, 7-Chloro-6-fluoro-1-(4-fluorophenyl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, 1-(4-Fluorophenyl)-6-fluoro-7-chloro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, 3-Quinolinecarboxylic acid, 7-chloro-6-fluoro-1-(4-fluorophenyl)-1,4-dihydro-4-oxo-
7-Chloro-6-fluoro-1-(4-fluorophenyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 98105-79-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H8ClF2NO3 and a molecular weight of 335.689 g/mol. Key properties include a melting point of 260-264℃, a boiling point of 513.8±50.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 264.5±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 98105-79-4
- Jingsj CID
- J-1011726-7
- Molecular Formula
- C16H8ClF2NO3
- Molecular Weight
- 335.689 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 260-264℃ |
|---|---|
| Boiling Point | 513.8±50.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 264.5±30.1 °C |
| Exact Mass | 335.016083 |
| PSA | 59.30000 |
| LogP | 3.59 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.649 |
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 7-Chloro-6-fluoro-1-(4-fluorophenyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid?
The CAS number of 7-Chloro-6-fluoro-1-(4-fluorophenyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid is 98105-79-4.
What are the molecular formula and molecular weight of 7-Chloro-6-fluoro-1-(4-fluorophenyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid?
7-Chloro-6-fluoro-1-(4-fluorophenyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid has molecular formula C16H8ClF2NO3 and molecular weight 335.689 g/mol.
What are the upstream and downstream products of 7-Chloro-6-fluoro-1-(4-fluorophenyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid?
For 7-Chloro-6-fluoro-1-(4-fluorophenyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, Upstream Products: 2,4-Dichloro-5-fluoroacetophenone, ethyl 3-(2,4-dichloro-5-fluorophenyl)-3-oxopropanoate, ethyl 2-(2,4-dichloro-5-fluorobenzoyl)-3-ethoxyprop-2-enoate; Downstream Products: Difloxacin, Sarafloxacin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "7-Chloro-6-fluoro-1-(4-fluorophenyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 98105-79-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1011726-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.