CAS No. 98079-52-8

Batch: Purity:100
Lomefloxacin HCl  Chemical Structure
Chemical Structure
Check the Lomefloxacin HCl product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 98079-52-8
Molecular Formula

C17H19F2N3O3.HCl

Molecular Weight (MW) 387.81
SMILES CCN1C=C(C(=O)C2=CC(=C(C(=C21)F)N3CCNC(C3)C)F)C(=O)O.Cl

Biological Activity

Lomefloxacin HCl is a fluoroquinolone antibiotic that targets bacterial DNA gyrase and topoisomerase IV. By inhibiting these essential enzymes, Lomefloxacin HCl prevents bacterial DNA replication and transcription, leading to double-stranded DNA breaks and rapid bactericidal cell death. Lomefloxacin HCl displays broad-spectrum antibacterial activity against both Gram-negative and Gram-positive bacteria. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
Water 6 mg/mL
DMSO 1 mg/mL (2.57 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)
Ethanol Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).
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Reference

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Note: Technical data last updated: Sep 1, 2026.