Delafloxacin

Also known as: ABT-492, RX-3341, WQ-3034, 1-(6-Amino-3,5-difluoro-2-pyridinyl)-8-chloro-6-fluoro-1,4-dihydro-7-(3-hydroxy-1-azetidinyl)-4-oxo-3-quinolinecarboxylic acid, Delafloxacinum

Delafloxacin (CAS 189279-58-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H12ClF3N4O4 and a molecular weight of 440.760 g/mol. Key properties include a boiling point of 698.5±55.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 376.2±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 189279-58-1
Jingsj CID: J-1957436-8
Molecular Formula: C₁₈H₁₂ClF₃N₄O₄
Molecular Weight: 440.760 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	698.5±55.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	376.2±31.5 °C
Exact Mass	440.049927
PSA	122.41000
LogP	0.81
Vapor Pressure	0.0±2.3 mmHg at 25°C
Refractive Index	1.717
Storage Conditions	-20°C

Activity & Biological Data

Additional Information	[1]. Gunderson SM, Hayes RA, Quinn JP, In vitro pharmacodynamic activities of ABT-492, a novel quinolone, compared to those of levofloxacin against Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis. Antimicrob Agents Chemother. 2004 Jan;48(1):203-8. [2]. Goldstein EJ, Citron DM, Merriam CV, In vitro activities of ABT-492, a new fluoroquinolone, against 155 aerobic and 171 anaerobic pathogens isolated from antral sinus puncture specimens from patients with sinusitis. Antimicrob Agents Chemother. 2003 Sep;47(9):3008-11. [3]. Nilius AM, Shen LL, Hensey-Rudloff D, In vitro antibacterial potency and spectrum of ABT-492, a new fluoroquinolone. Antimicrob Agents Chemother. 2003 Oct;47(10):3260-9.

Additional Information

[1]. Gunderson SM, Hayes RA, Quinn JP, In vitro pharmacodynamic activities of ABT-492, a novel quinolone, compared to those of levofloxacin against Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis. Antimicrob Agents Chemother. 2004 Jan;48(1):203-8. [2]. Goldstein EJ, Citron DM, Merriam CV, In vitro activities of ABT-492, a new fluoroquinolone, against 155 aerobic and 171 anaerobic pathogens isolated from antral sinus puncture specimens from patients with sinusitis. Antimicrob Agents Chemother. 2003 Sep;47(9):3008-11. [3]. Nilius AM, Shen LL, Hensey-Rudloff D, In vitro antibacterial potency and spectrum of ABT-492, a new fluoroquinolone. Antimicrob Agents Chemother. 2003 Oct;47(10):3260-9.

Frequently Asked Questions

What is the CAS number of Delafloxacin?

The CAS number of Delafloxacin is 189279-58-1.

What are the molecular formula and molecular weight of Delafloxacin?

Delafloxacin has molecular formula C18H12ClF3N4O4 and molecular weight 440.760 g/mol.

What are the upstream and downstream products of Delafloxacin?

For Delafloxacin, Upstream Products: 1-Methylpyrrolidine, 3-Hydroxyazetidine hydrochloride, 2,4,5-Trifluorobenzoic acid.

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. "Delafloxacin (CAS 189279-58-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1957436-8 (accessed 2026-11-09).

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