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Cat.No. 3849 - Gatifloxacin | C19H22FN3O4 | CAS No. 112811-59-3
Description: Antibiotic; inhibits bacterial type II topoisomerase
Alternative Names: AM 1155
Chemical Name: 1-Cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid
Purity: ≥98% (HPLC)

Biological Activity

Fluoroquinolone antibiotic. Inhibits bacterial type II topoisomerases (IC50 values are 0.109 and 13.8 μg/ml for E.coli DNA gyrase and S.aureus topoisomerase IV respectively). Displays potent activity against gram-positive and gram-negative bacteria. Stimulates short-term self-renewal in both human and mouse embryonic stem cells in vitro.

Technical Data

M. Wt 375.39
Formula C19H22FN3O4
Storage Store at +4°C
Purity ≥98% (HPLC)
CAS Number 112811-59-3
PubChem ID 5379
Smiles O=C2C(C(O)=O)=CN(C3CC3)C1=C(OC)C(N4CC(C)NCC4)=C(F)C=C12

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

All Tocris products are intended for laboratory research use only.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
DMSO 3.75 10mM with gentle warming

Preparing Stock Solutions

The following data is based on the product molecular weight 375.39. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 2.66 mL 13.32 mL 26.64 mL
5 mM 0.53 mL 2.66 mL 5.33 mL
10 mM 0.27 mL 1.33 mL 2.66 mL
50 mM 0.05 mL 0.27 mL 0.53 mL

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Product Datasheets

Safety Datasheet


References are publications that support the products' biological activity.

Takei et al (1998) Inhibitory activities of gatifloxacin (AM-1155), a newly developed fluoroquinolone, against bacterial and mammalian type II topoisomerases. Antimicrob.Agents Chemother. 42 2678 PMID: 9756776

Desbordes et al (2008) High throughput screening assay for the identification of compounds regulating self-renewal and differentiation in human embryonic stem cells. Cell Stem Cell 2 602 PMID: 18522853

Fukuda et al (1998) Antibacterial activity of gatifloxacin (AM-1155, CG5501, BMS-206584), a newly developed fluoroquinolone, against sequentially acquired quinolone-resistant mutants and the norA transformant of Staphylococcus aureus. Antimicrob.Agents Chemother. 42 1917 PMID: 9687384

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Keywords: potent inhibitors inhibits DNA gyrase topoisomerase IV gatifloxacin AM1155 fluoroquinolone antibacterial antibiotics stem cells AM 1155 DNA, RNA and Protein Synthesis

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Cancer Research Product Guide

A collection of over 750 products for cancer research, the guide includes research tools for the study of:

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