has role has role is conjugate acid of is protonated form of has parent hydride has parent hydride long-chain fatty acid octadecanoate octadecanoic acid C18:0 Oktadekansaeure octadecoic acid CHEBI:28842 CHEBI:25631 A C<small>₁₈</small> straight-chain saturated fatty acid component of many animal and vegetable lipids. As well as in the diet, it is used in hardening soaps, softening plastics and in making cosmetics, candles and plastics. Stearinsaeure 18:0 acide stearique Octadecanoic acid acide octadecanoique stearic acid CHEBI:45710 chebi_ontology Octadecansaeure CH3-[CH2]16-COOH n-octadecanoic acid STEARIC ACID octadecane straight-chain saturated fatty acid plant metabolite human metabolite Daphnia magna metabolite algal metabolite