An amino alcohol with a long unsaturated hydrocarbon chain. Sphingosine and its derivative sphinganine are the major bases of the sphingolipids in mammals. (Dorland, 28th ed)

Synonyms: 4 Sphingenine, Sphingosine, 4-Octadecene-1,3-diol, 2-amino-, (R-(R*,S*-(E)))-, 4-Sphingenine, NGZ37HRE42