octadecanal 268.47784 An alpha-CH2-containing aldehyde that has formula C18H36O. C18H36O CAS:638-66-4 CCCCCCCCCCCCCCCCCC=O CHEBI:14679 CHEBI:17034 CHEBI:25628 CHEBI:7722 FWWQKRXKHIRPJY-UHFFFAOYSA-N InChI=1S/C18H36O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h18H,2-17H2,1H3 KEGG:C01838 LIPID_MAPS_instance:LMFA06000098 Octadecanal chebi_ontology octadecanal stearaldehyde alpha-CH2-containing aldehyde