CAS 405098-33-1 appears in our catalog under these names: W 54011, W 54011, >95% (HPLC), W-54011/ 95.62% (existing batch purity), C5a Receptor Antagonist, W-54011, W-54011 99%. Offered by: GLPBio, TRC, TargetMol, Biosynth, Ambeed. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 10mM (in 1ml dmso), 250mg.