has role has parent hydride beta-carotene carotenol carotenone astaxanthin (3S,3'S)-3,3'-dihydroxy-beta,beta-carotene-4,4'-dione (3S,3'S)-astaxanthin 3,3'-dihydroxy-beta,beta-carotene-4,4'-dione 3,3'-dihydroxy-beta-carotene-4,4'-dione 596.387 596.83848 A carotenone that consists of beta,beta-carotene-4,4'-dione bearing two hydroxy substituents at positions 3 and 3' (the 3S,3'S 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. ASTAXANTHIN Astaxanthin Beilstein:1917937 C40H52O4 CAS:472-61-7 CC(\C=C\C=C(C)\C=C\C1=C(C)C(=O)[C@@H](O)CC1(C)C)=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)C(=O)[C@@H](O)CC1(C)C CHEBI:2895 CHEBI:40963 CHEBI:40968 COMe:MOL000055 E 161j HMDB:HMDB0002204 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 KEGG:C08580 KNApSAcK:C00000918 LIPID_MAPS_instance:LMPR01070263 MQZIGYBFDRPAKN-UWFIBFSHSA-N PDBeChem:AXT PMID:21833799 PMID:21883294 PMID:22119431 PMID:22188802 PMID:22189778 PMID:22221991 PMID:22267192 PMID:22279065 PMID:22309505 PMID:22349894 PMID:22406426 PMID:22428137 PMID:22432539 PMID:22455145 Reaxys:1917937 Wikipedia:Astaxanthin all-trans-(3S,3'S)-astaxanthin astaxanthine chebi_ontology ovoester plant metabolite