1.0 2010-04-08 22:07:49 UTC 2025-11-18 23:05:46 UTC FDB007876 Eicosen-1-ol Eicosen-1-ol is practically insoluble (in water) and a very weakly acidic compound (based on its pKa). Eicosen-1-ol can be found in garden onion, which makes eicosen-1-ol a potential biomarker for the consumption of this food product. C20H40O 296.531 296.307915902 (1E)-icos-1-en-1-ol (1E)-icos-1-en-1-ol CCCCCCCCCCCCCCCCCC\C=C\O InChI=1S/C20H40O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21/h19-21H,2-18H2,1H3/b20-19+ ACJQRYKUUGFHPV-FMQUCBEESA-N belongs to the class of organic compounds known as enols. Enols are compounds containing the enol functional group, with the structure HO(R)C=CR'. Ketones that have one or more alpha-hydrogen atoms undergo keto-enol tautomerization, the tautomer being an enol. Enols Organic compounds Organic oxygen compounds Organooxygen compounds Enols Aliphatic acyclic compounds Hydrocarbon derivatives Aliphatic acyclic compound Enol Hydrocarbon derivative logp 9.07 ALOGPS logs -7.10 ALOGPS solubility 2.37e-05 g/l ALOGPS logp 8.46 ChemAxon pka_strongest_acidic 10.89 ChemAxon pka_strongest_basic -4.6 ChemAxon iupac (1E)-icos-1-en-1-ol ChemAxon average_mass 296.531 ChemAxon mono_mass 296.307915902 ChemAxon smiles CCCCCCCCCCCCCCCCCC\C=C\O ChemAxon formula C20H40O ChemAxon inchi InChI=1S/C20H40O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21/h19-21H,2-18H2,1H3/b20-19+ ChemAxon inchikey ACJQRYKUUGFHPV-FMQUCBEESA-N ChemAxon polar_surface_area 20.23 ChemAxon refractivity 95.84 ChemAxon polarizability 42.13 ChemAxon rotatable_bond_count 17 ChemAxon acceptor_count 1 ChemAxon donor_count 1 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 83673 Specdb::MsMs 83674 Specdb::MsMs 83675 Specdb::MsMs 145320 Specdb::MsMs 145321 Specdb::MsMs 145322 Specdb::MsMs 3604484 Specdb::MsMs 3604485 Specdb::MsMs 3604486 Specdb::MsMs 3604487 Specdb::MsMs 3604488 Specdb::MsMs 3604489 Garden onion Type 1 specific Allium cepa 4679