Shelf life (days): 1460.0
Formulation: A crystalline solid
Formal Name: N-[3-[(6,7-dimethoxy-4-quinazolinyl)oxy]phenyl]-N'-[5-(2,2,2-trifluoro-1,1-dimethylethyl)-3-isoxazolyl]-urea
Purity: ≥95%
Formula Markup: C24H22F3N5O5
Formula Weight: 517.5
CAS Number: 1188910-76-0
Notes: B-Raf is a MAP kinase kinase kinase, which functions downstream of Ras family GTPases to activate MEK1/2 and ERK1/2 signaling.{27148} Mutations of B-Raf, particularly at Val600, are common in melanomas and melanocytic nevi.{27148} CEP-32496 is a potent inhibitor of B-RafV600E (Kd = 14 nM in an in vitro binding assay).{30907} It blocks B-RafV600E-dependent phosphorylation of MEK in human melanoma A375 and colorectal cancer COLO 205 cells (IC50s = 78 and 60 nM, respectively).{30907} CEP-32496 binds kinases other than B-Raf but displays selective cytotoxicity for cells expressing B-RafV600E.{30907} It displays good oral bioavailability in rats, dogs, and monkeys and has single oral dose pharmacodynamics inhibition of both pMEK and pERK in B-RafV600E colon carcinoma xenografts in nude mice.{30907}
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