Synonyms: Astaxanthin(6CI);b-Carotene-4,4'-dione, 3,3'-dihydroxy-,all-trans- (8CI);(3S,3'S)-Astaxanthin;(3S,3'S)-all-trans-Astaxanthin;Aquasta;Astared;Astaxanthin, all-trans-;Astots 10O;Astots 5O;BioAstin;BioAstin oleoresin;Carophyll Pink;Lucantin Pink;NatuRose;Natupink;Ovoester;all-trans-Astaxanthin;trans-Astaxanthin;Astaxanthin(3,3'-Dihydroxy-beta,beta-carotene-4,4'-dione);b,b-Carotene-4,4'-dione,3,3'-dihydroxy-, (3S,3'S)-;