xanthophyll canthaxanthin 0 564.39673 564.854 Orobronze knapsack:C00000922 canthaxanthin Canthaxanthin pubmed:22334741 4,4'-dioxo-beta-carotene Carophyll Red beta,beta-carotene-4,4'-dione C40H52O2 E 161g pubmed:22418926 reaxys:1898520 hmdb:HMDB0003154 lipidmaps:LMPR01070264 A carotenone that consists of β,β-carotene bearing two oxo substituents at positions 4 and 4'. pubmed:24097248 pubmed:22366116 chebi_ontology FDSDTBUPSURDBL-DKLMTRRASA-N CC1=C(/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C2=C(C)C(=O)CCC2(C)C)C(C)(C)CCC1=O CHEBI:3362 beta,beta-carotene-4,4'-dione pubmed:22353211 wikipedia.en:Canthaxanthin cas:514-78-3 kegg.compound:C08583 pubmed:22451081 InChI=1S/C40H52O2/c1-29(17-13-19-31(3)21-23-35-33(5)37(41)25-27-39(35,7)8)15-11-12-16-30(2)18-14-20-32(4)22-24-36-34(6)38(42)26-28-40(36,9)10/h11-24H,25-28H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,29-15+,30-16+,31-19+,32-20+ pubmed:22455145 Food Orange 8 all-trans-beta-carotene-4,4'-dione pubmed:22428120