Chemical Name: 3-[[3-Fluoro-2-(methylsulfamoylamino)pyridin-4-yl]methyl]-4-methyl-7-pyrimidin-2-yloxychromen-2-one. Alternate Names: RO5126766, CH5126766
Dual MEK/RAF inhibitor
Molecular Weight:
471.46
Purity:
>98% by HPLC (NMR Conforms)
Form:
White solid
CAS Number:
[946128-88-7]
Formula:
C21H18FN5O5S
Application Notes:
Avutometinib is a dual MEK/RAF inhibitor (IC50s: MEK = 160 nM, CRAF = 56 nM, BRAF = 19 nM, BRAF V600E = 8nM).1 It directly inhibits unphosphorylated MEK without causing induction of MEK phosphorylation by RAF. The avutemetinib-MEK adduct is a dominant-negative inhibitor of RAF, stabilizing the MEK/RAF complex and locking in an inactive form. Avutometinib displayed efficacy across multiple RAS-mutated cancer cell lines and an SK-MEL-2 xenograft model.2 It displayed synergistic effects with eribulin against triple-negative breast cancer cell lines.3 Avutometinib also displayed efficacy in combination with the FAK inhibitor Defactinib in KRAS-mutated NSCLC cells.4
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