Also available in 1 mg, 5 mg, 25 mg, 50 mg, 100 mg and bulk. Please contact Fisher for quotes. C22 Ceramide (d181/220) (C22 Ceramide), a long-chain ceramide containing behenic acid, is an endogenous bioactive sphingolipid.C22-Ceramide specifically inhibits MCSR and reduces C16 ceramide channel formation in isolated rat liver mitochondria and liposomes. Purity 97.97%