xanthophyll astaxanthin 0 596.38656 596.852 reaxys:1917937 pubmed:22189778 3,3'-dihydroxy-beta,beta-carotene-4,4'-dione knapsack:C00000918 ASTAXANTHIN pubmed:22432539 cas:472-61-7 chebi_ontology pubmed:22406426 hmdb:HMDB0002204 wikipedia.en:Astaxanthin ovoester 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)[C@@H](O)CC2(C)C)C(C)(C)C[C@H](O)C1=O pubmed:21883294 pubmed:21833799 all-trans-(3S,3'S)-astaxanthin CHEBI:2895 beilstein:1917937 MQZIGYBFDRPAKN-UWFIBFSHSA-N pubmed:22119431 CHEBI:40963 kegg.compound:C08580 astaxanthine pubmed:22309505 pubmed:22428137 (3S,3'S)-3,3'-dihydroxy-beta,beta-carotene-4,4'-dione E 161j C40H52O4 CHEBI:40968 lipidmaps:LMPR01070263 3,3'-dihydroxy-beta-carotene-4,4'-dione (3S,3'S)-3,3'-dihydroxy-beta,beta-carotene-4,4'-dione pubmed:22455145 pubmed:22221991 pubmed:22267192 pubmed:22349894 pdb-ccd:AXT pubmed:22188802 A carotenone that consists of β,β-carotene-4,4'-dione bearing two hydroxy substituents at positions 3 and 3' (the 3<i>S</i>,3'<i>S</i> diastereomer). A carotenoid pigment found mainly in animals (crustaceans, echinoderms) but also occurring in plants. It can occur free (as a red pigment), as an ester, or as a blue, brown or green chromoprotein. (3S,3'S)-astaxanthin InChI=1S/C40H52O4/c1-27(17-13-19-29(3)21-23-33-31(5)37(43)35(41)25-39(33,7)8)15-11-12-16-28(2)18-14-20-30(4)22-24-34-32(6)38(44)36(42)26-40(34,9)10/h11-24,35-36,41-42H,25-26H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,27-15+,28-16+,29-19+,30-20+/t35-,36-/m0/s1 pubmed:22279065 Astaxanthin