CAS 5966-28-9 appears in our catalog under these names: N-((2S,3R,E)-1,3-Dihydroxyoctadec-4-en-2-yl)oleamide, 97%, C18：1 Ceramide (d18：1/18：1(9Z)), C18:1 CERAMIDE (D18:1/18:1(9Z)), N-oleoyl-D-erythro-sphingosine, C18:1-Ceramide, 99.93%. Offered by: AmBeed, GLPBio, Sigma-Aldrich, Chemat, MedChemExpress. Available pack sizes: 100mg, 5mg, 25MG, 100 mg, 10mM/1mL, 50 mg, 10 mg, 5 mg.