| Title:  Sorafenib CAS Registry Number:  284461-73-0 CAS Name:  4-[4-[[[[4-Chloro-3-(trifluoromethyl)phenyl]amino]carbonyl]amino]phenoxy]-N-methyl-2-pyridinecarboxamide Additional Names:  N-4-(Chloro-3-(trifluoromethyl)phenyl)-N¢-(4-(2-(N-methylcarbamoyl)-4-pyridyloxy)phenyl)urea Manufacturers' Codes:  Bay-43-9006 Molecular Formula:  C21H16ClF3N4O3 Molecular Weight:  464.82 Percent Composition:  C 54.26%, H 3.47%, Cl 7.63%, F 12.26%, N 12.05%, O 10.33% Literature References:  Multiple kinase inhibitor targeting both RAF kinase and receptor tyrosine kinases that promote angiogensis.  Prepn:  B. Riedl et al., WO 0041698 (2000 to Bayer); eidem, US 03139605 (2003); D. Bankston et al., Org. Process Res. Dev. 6, 777 (2002).  Structure-activity study:  U. R. Khire et al., Bioorg. Med. Chem. Lett. 14, 783 (2004).  Characterization of kinase inhibition:  S. M. Wilhelm et al., Cancer Res. 64, 7099 (2004).  Mechanism of action study:  D. J. Panka et al., Cancer Res. 66, 1611 (2006).  LC determn in serum:  S. Afify et al., J. Chromatogr. B 809, 99 (2004).  Clinical pharmacokinetics:  H. Richly et al., Int. J. Clin. Pharmacol. Ther. 41, 620 (2003).  Analysis of clinical safety and efficacy:  D. Strumberg et al., Eur. J. Cancer 42, 548 (2006).  Clinical evaluation and brief review:  H. DeGrendele, Clin. Colorectal Cancer 3, 16-18 (2003).  Review of clinical development:  B. I. Rini, Expert Opin. Pharmacother. 7, 453-461 (2006). Properties:  White solid, mp 205.6°. Melting point:  mp 205.6°   Derivative Type:  Tosylate  CAS Registry Number:  475207-59-1 Trademarks:  Nexavar (Bayer) Molecular Formula:  C21H16ClF3N4O3.C7H8O3S Molecular Weight:  637.03 Percent Composition:  C 52.79%, H 3.80%, Cl 5.57%, F 8.95%, N 8.80%, O 15.07%, S 5.03%   Therap-Cat:  Antineoplastic. Keywords:  Antineoplastic; Tyrosine Kinase Inhibitors.  |