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Sorafenib (base)

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Raf-1 inhibitor (and other kinases) CAS#: 475207-59-1 Citations: 1) Wilhelm et al. (2004), BAY 43-9006 exhibits broad spectrum oral antitumor activity and targets the RAF/MEK/ERK pathway and receptor tyrosine kinases involved in tumor progression and angiogenesis; Cancer Res., 64 7099 2) Guo et al. (2006), Inhibition of phosphorylation of the colony-stimulating factor-1 receptor (c-Fms) tyrosine kinase in transfected cells by ABT-869 and other tyrosine kinase inhibitors; Mol. Cancer Ther., 5 1007 3) Wilhelm et al. (2003), The novel Raf inhibitor BAY 43-9006 blocks signaling and proliferation in BRAF mutant and wildtype melanoma and colorectal tumor cell lies; Proc. Am. Assoc. Cancer Res., 44 106609 4) Panka et al. (2006), The Raf inhibitor BAY 43-9006 (Sorafenib) induces caspase-independent apoptosis in melanoma cells; Cancer Res., 66 1611

Product Code: ax45497 (10 mg)

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Product Specification

Function / pharmacology Initially developed as a Raf kinase inhibitor, IC50 = 6 nM, but has been shown to inhibit many receptor tyrosine kinases including BRAF (IC50 = 22 nM); VEGFR-2 (IC50 = 90 nM); VEGFR-3 (IC50 = 20 nM); PDGFR-β (IC50 = 57 nM); Flt3 (IC50 = 58 nM); c-KIT (IC50 = 68 nM); FGFR-1 (IC50 = 580 nM)1. Paradoxically more potent in a cellular assay (IC50 = 20 nM) compared to an isolated enzyme assay (IC50 = 107 nM) for c-Fms2. Inhibits activation of MAPK pathway and ERK phosphorylation3. Induces caspase-independent apoptosis in melanoma cells4. Clinically useful anticancer agent.
Chemical name 4-(4-(3-(4-chloro-3-(trifluoromethyl)phenyl)ureido)phenoxy)-N-methylpicolinamide
Molecular weight 464.83
Molecular formula C21H16ClF3N4O3
Physical description Off-white solid
Solubility DMSO (200 mg/ml) Ethanol (3 mg/ml)
Size 10 mg
Stability Stable for 2 years as supplied. Solutions in DMSO or ethanol may be stored at -20°C for up to 1 month.