CAS: 202467-76-3 Molecular Formula: C22 H45 N O3 Molecular Weight (g/mol): 371.6 Synonym: Butanamide, N-[(1S,2R)-2-hydroxy-1-(hydroxymethyl)heptadecyl]-,Butanamide, N-[2-hydroxy-1-(hydroxymethyl)heptadecyl]-, [R-(R*,S*)]-,N-[(1S,2R)-2-Hydroxy-1-(hydroxymethyl)heptadecyl]butanamide,C4 Dihydroceramide IUPAC Name: N-[(2S,3R)-1,3-dihydroxyoctadecan-2-yl]butanamide SMILES: CCCCCCCCCCCCCCC[C@@H](O)[C@H](CO)NC(=O)CCC