1.0 2010-04-08 22:12:06 UTC 2025-11-19 01:01:11 UTC FDB015880 Parasiloxanthin Isolated from skin and fin of Japanese catfish (Parasilurus asotus). Parasiloxanthin is found in fishes. 7,8-Dihydro-beta,beat-carotene-3,3'-diol 7',8'-Dihydro-b,b-carotene-3,3'-diol Parasiloxanthin C40H58O2 570.8873 570.4436811 4-[(3E,5E,7E,9E,11E,13E,15E,17E)-18-(4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl)-3,7,12,16-tetramethyloctadeca-3,5,7,9,11,13,15,17-octaen-1-yl]-3,5,5-trimethylcyclohex-3-en-1-ol 4-[(3E,5E,7E,9E,11E,13E,15E,17E)-18-(4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl)-3,7,12,16-tetramethyloctadeca-3,5,7,9,11,13,15,17-octaen-1-yl]-3,5,5-trimethylcyclohex-3-en-1-ol 62994-48-3 C\C(CCC1=C(C)CC(O)CC1(C)C)=C/C=C/C(/C)=C/C=C/C=C(\C)/C=C/C=C(\C)/C=C/C1=C(C)CC(O)CC1(C)C InChI=1S/C40H58O2/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/h11-21,23,35-36,41-42H,22,24-28H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,29-15+,30-16+,31-19+,32-20+ ZAYHYNGKERKFHJ-ZRVUQIMUSA-N belongs to the class of organic compounds known as xanthophylls. These are carotenoids containing an oxygenated carotene backbone. Carotenes are characterized by the presence of two end-groups (mostly cyclohexene rings, but also cyclopentene rings or acyclic groups) linked by a long branched alkyl chain. Carotenes belonging form a subgroup of the carotenoids family. Xanthophylls arise by oxygenation of the carotene backbone. Xanthophylls Organic compounds Lipids and lipid-like molecules Prenol lipids Tetraterpenoids Aliphatic homomonocyclic compounds Hydrocarbon derivatives Secondary alcohols Alcohol Aliphatic homomonocyclic compound Hydrocarbon derivative Organic oxygen compound Organooxygen compound Secondary alcohol Xanthophyll logp 8.46 ALOGPS logs -5.96 ALOGPS solubility 6.20e-04 g/l ALOGPS melting_point Mp 202° logp 8.71 ChemAxon pka_strongest_acidic 18.84 ChemAxon pka_strongest_basic -0.8 ChemAxon iupac 4-[(3E,5E,7E,9E,11E,13E,15E,17E)-18-(4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl)-3,7,12,16-tetramethyloctadeca-3,5,7,9,11,13,15,17-octaen-1-yl]-3,5,5-trimethylcyclohex-3-en-1-ol ChemAxon average_mass 570.8873 ChemAxon mono_mass 570.4436811 ChemAxon smiles C\C(CCC1=C(C)CC(O)CC1(C)C)=C/C=C/C(/C)=C/C=C/C=C(\C)/C=C/C=C(\C)/C=C/C1=C(C)CC(O)CC1(C)C ChemAxon formula C40H58O2 ChemAxon inchi InChI=1S/C40H58O2/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/h11-21,23,35-36,41-42H,22,24-28H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,29-15+,30-16+,31-19+,32-20+ ChemAxon inchikey ZAYHYNGKERKFHJ-ZRVUQIMUSA-N ChemAxon polar_surface_area 40.46 ChemAxon refractivity 193.83 ChemAxon polarizability 74.25 ChemAxon rotatable_bond_count 11 ChemAxon acceptor_count 2 ChemAxon donor_count 2 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 22430 Specdb::CMs 45124 Specdb::CMs 282367 Specdb::CMs 369247 Specdb::CMs 369248 Specdb::CMs 369249 Specdb::CMs 369250 Specdb::CMs 369251 Specdb::MsMs 74160 Specdb::MsMs 74161 Specdb::MsMs 74162 Specdb::MsMs 133470 Specdb::MsMs 133471 Specdb::MsMs 133472 Specdb::MsMs 2362457 Specdb::MsMs 2362458 Specdb::MsMs 2362459 Specdb::MsMs 2600237 Specdb::MsMs 2600238 Specdb::MsMs 2600239 HMDB36915 #<Reference:0x000055ce2d03cfe0> Fishes Unknown generic