Catalog No.S8404

S49076 Chemical Structure

Molecular Weight(MW): 438.50

S49076 is a novel, potent inhibitor of MET, AXL/MER, and FGFR1/2/3 with IC50 values below 20 nmol/L.

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Biological Activity

Description S49076 is a novel, potent inhibitor of MET, AXL/MER, and FGFR1/2/3 with IC50 values below 20 nmol/L.
Met [1]
(Cell-free assay)
Mer [1]
(Cell-free assay)
Axl [1]
(Cell-free assay)
FGFR3 [1]
(Cell-free assay)
FGFR2 [1]
(Cell-free assay)
1 nM 2 nM 7 nM 15 nM 17 nM
In vitro

S49076 potently blocks cellular phosphorylation of MET, AXL, and FGFRs and inhibits downstream signaling in vitro and in vivo. In cell models, S49076 inhibits the proliferation of MET- and FGFR2-dependent gastric cancer cells, blocks MET-driven migration of lung carcinoma cells, and inhibits colony formation of hepatocarcinoma cells expressing FGFR1/2 and AXL. S49076 inhibits viability, motility, and three-dimensional colony formation of cancer cells expressing MET, AXL, or FGFRs[1].

In vivo S49076 shows marked antitumor activity in MET- and FGFR-dependent tumor xenografts at well-tolerated doses. S49076 has high distribution to tumors, in which the half-life for the dose of 3.125 mg/kg is approximately 7 hours versus less than 2 hours in the blood. At doses of 6.25 mg/kg and higher, more than 50% inhibition of MET phosphorylation is retained at 16 hours. S49076 is also active in a bevacizumab-resistant model and totally inhibits the growth of colon carcinoma xenografts in association with bevacizumab[1].


Cell Research:


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  • Cell lines: GTL-16 and SNU-16 cell lines
  • Concentrations: --
  • Incubation Time: 96 h or 120 h
  • Method:

    For GTL-16 and SNU-16 viability assays, cells are seeded in 96-well microplates at the appropriate density in media containing 10% FCS and supplemented 48 hours later with serial dilutions of S49076 in a final volume of 150 μL per well. After 96 hours (GTL-16) or 120 hours (SNU-16) incubation, 15 μL of a solution of 5 mg/mL MTT is added to each well and the plates are incubated for 4 hours at 37℃. The formazan metabolite is solubilized in SDS for SNU-16 and, following removal of the MTT solution, in DMSO for GTL-16. Global cell viability is estimated by measurement of optical density at 540 nm.

    (Only for Reference)
Animal Research:


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  • Animal Models: Female balb/c and swiss nu/nu mice
  • Formulation: 1% (w/v) hydroxyethylcellulose in ammonium acetate buffer pH 4.5
  • Dosages: 50 or 100 mg/kg
  • Administration: oral administration
    (Only for Reference)

Solubility (25°C)

In vitro DMSO 87 mg/mL (198.4 mM)
Water Insoluble
Ethanol Insoluble

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 438.50


CAS No. 1265965-22-7
Storage powder
in solvent
Synonyms N/A

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This equation is commonly abbreviated as: C1V1 = C2V2 ( Input Output )

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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

Tel: +1-832-582-8158 Ext:3

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c-Met Signaling Pathway Map

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID