1.0 2026-09-22 18:18:14 UTC 2026-09-22 18:18:54 UTC FDB118671 Tunaxanthin 4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-(4-hydroxy-2,6,6-trimethyl-cyclohex-2-en-1-yl)-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethyl-cyclohex-2-en-1-ol epsilon,epsilon-carotene-3,3'-diol C40H56O2 568.9 CC1=CC(CC(C1/C=C/C(=C/C=C/C(=C/C=C/C=C(/C=C/C=C(/C=C/C2C(CC(C=C2C)O)(C)C)\C)\C)/C)/C)(C)C)O InChI=1S/C40H56O2/c1-29(17-13-19-31(3)21-23-37-33(5)25-35(41)27-39(37,7)8)15-11-12-16-30(2)18-14-20-32(4)22-24-38-34(6)26-36(42)28-40(38,9)10/h11-26,35-38,41-42H,27-28H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,29-15+,30-16+,31-19+,32-20+ BIPAHAFBQLWRMC-DKLMTRRASA-N average_mass 568.9 ChemAxon smiles CC1=CC(CC(C1/C=C/C(=C/C=C/C(=C/C=C/C=C(/C=C/C=C(/C=C/C2C(CC(C=C2C)O)(C)C)\C)\C)/C)/C)(C)C)O ChemAxon formula C40H56O2 ChemAxon inchi InChI=1S/C40H56O2/c1-29(17-13-19-31(3)21-23-37-33(5)25-35(41)27-39(37,7)8)15-11-12-16-30(2)18-14-20-32(4)22-24-38-34(6)26-36(42)28-40(38,9)10/h11-26,35-38,41-42H,27-28H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,29-15+,30-16+,31-19+,32-20+ ChemAxon inchikey BIPAHAFBQLWRMC-DKLMTRRASA-N ChemAxon