acyclic carotene all-trans-3,4-didehydrolycopene (3E)-3,4-didehydro-psi,psi-carotene (4E,6E,8E,10E,12E,14E,16E,18E,20E,22E,24E,26E)-2,6,10,14,19,23,27,31-octamethyldotriaconta-2,4,6,8,10,12,14,16,18,20,22,24,26,30-tetradecaene (all-E)-3,4-didehydrolycopene 3,4-Didehydrolycopene 3,4-dehydrolycopene 534.423 534.85680 An acyclic carotene having the structure of lycopene with two hydrogen atoms abstracted from the C(3)-C(4) bond to form an extra trans double bond. C40H54 CC(C)=CCC\C(C)=C\C=C\C(C)=C\C=C\C(C)=C\C=C\C=C(C)\C=C\C=C(C)\C=C\C=C(C)\C=C\C=C(C)C CHEBI:62474 InChI=1S/C40H54/c1-33(2)19-13-23-37(7)27-17-31-39(9)29-15-25-35(5)21-11-12-22-36(6)26-16-30-40(10)32-18-28-38(8)24-14-20-34(3)4/h11-13,15-23,25-32H,14,24H2,1-10H3/b12-11+,23-13+,25-15+,26-16+,31-17+,32-18+,35-21+,36-22+,37-27+,38-28+,39-29+,40-30+ KEGG:C15867 KNApSAcK:C00022822 OCMSUPSDVXKDFY-FQMRBFJQSA-N PMID:20335404 PMID:21209101 Reaxys:1845133 all-trans-3,4-didehydrolycopene chebi_ontology