Lirafugratinib | Lirafugratinib : Covalent Inhibitor of FGFR2
RATINGS:
Cellular Use: (1 reviews)

In Model Organisms: (1 reviews)
Control Compounds

Probe Summary

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Targets Biochemical/Biophysical Potency Cellular Potency
FGFR2
  • IC50:3 nM
  • IC50:6 nM
  • IC50:3 nM
Covalent Inhibitor
up to 1 uM

Selectivity

In Vitro Selectivity Assessment
Potency Assay Off-Target:
Within target family: RLY-4008 has >250-fold selectivity over FGFR1, and >80- and >5,000-fold select ...
In Cell Selectivity Assessment
Potency Assay Off-Target:
Selectivity of RLY-4008 in cells was evaluated on the proliferation of FGFR2-dependent (KATO III, NC ...

Potency
Cellular
In Vitro

FGFR2

Mode of Action: Covalent Inhibitor

Structure-Activity-Relationship data available? Yes

DOI Reference: 10.1158/2159-8290.CD-23-0475

In Vivo Validations

Mouse
Dose: 30 mg/kg twice daily
Target engagement assay: ≥90% pFGFR2 inhibition sustained throughout the 12-hour dosing interval

DOI Reference: 10.1158/2159-8290.CD-23-0475

Orthogonal Probes def

AZD4547
INFIGRATINIB

Chemical Information

Molecular Formula C28H24FN7O2
SMILEs C=C(C)C(=O)Nc1ccc(-c2c(-c3ccc(Oc4nccc(C)n4)c(F)c3)c3c(N)ncnc3n2C)cc1
InChI InChI=1S/C28H24FN7O2/c1-15(2)27(37)35-19-8-5-17(6-9-19)24-22(23-25(30)32-14-33-26(23)36(24)4)18-7-10-21(20(29)13-18)38-28-31-12-11-16(3)34-28/h5-14H,1H2,2-4H3,(H,35,37)(H2,30,32,33)
Molecular weight 509.20 Da
AlogP 5.428920000000004
HBond acceptors 9
HBond donors 3
Atoms 62

References

Vendors

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Expert Reviews


(on 9 Jul 2026)
Cellular Use Rating
In Model Organisms
This covalent probe demonstrates potent engagement with the target with a biochemical IC50 of 3 nM, and a cellular IC50 of 6 nM, with the determination of covalent potency with Kinact/Ki calculations....
Note: The Chemical Probes Portal only endorses compounds as chemical probes for use as specific and selective modulators of the proposed target if they receive three or more (3-4) stars. Read more about our evaluation criteria