1.0 2010-04-08 22:06:52 UTC 2025-11-18 23:00:12 UTC FDB005836 Heptadecadienoic acid Heptadecadienoic acid is also known as heptadecadienoate. Heptadecadienoic acid is practically insoluble (in water) and a weakly acidic compound (based on its pKa). Heptadecadienoic acid can be found in black walnut and dandelion, which makes heptadecadienoic acid a potential biomarker for the consumption of these food products. C17H30O2 266.425 266.224580206 heptadeca-2,4-dienoic acid heptadeca-2,4-dienoic acid CCCCCCCCCCCCC=CC=CC(O)=O InChI=1S/C17H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17(18)19/h13-16H,2-12H2,1H3,(H,18,19) UINYXDFNICMOQJ-UHFFFAOYSA-N belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms. Long-chain fatty acids Organic compounds Lipids and lipid-like molecules Fatty Acyls Fatty acids and conjugates Aliphatic acyclic compounds Carbonyl compounds Carboxylic acids Hydrocarbon derivatives Monocarboxylic acids and derivatives Organic oxides Straight chain fatty acids Unsaturated fatty acids Aliphatic acyclic compound Carbonyl group Carboxylic acid Carboxylic acid derivative Hydrocarbon derivative Long-chain fatty acid Monocarboxylic acid or derivatives Organic oxide Organic oxygen compound Organooxygen compound Straight chain fatty acid Unsaturated fatty acid logp 7.34 ALOGPS logs -6.25 ALOGPS solubility 1.49e-04 g/l ALOGPS logp 6.34 ChemAxon pka_strongest_acidic 4.94 ChemAxon iupac heptadeca-2,4-dienoic acid ChemAxon average_mass 266.425 ChemAxon mono_mass 266.224580206 ChemAxon smiles CCCCCCCCCCCCC=CC=CC(O)=O ChemAxon formula C17H30O2 ChemAxon inchi InChI=1S/C17H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17(18)19/h13-16H,2-12H2,1H3,(H,18,19) ChemAxon inchikey UINYXDFNICMOQJ-UHFFFAOYSA-N ChemAxon polar_surface_area 37.3 ChemAxon refractivity 83.89 ChemAxon polarizability 35.3 ChemAxon rotatable_bond_count 13 ChemAxon acceptor_count 2 ChemAxon donor_count 1 ChemAxon physiological_charge -1 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 106200 Specdb::MsMs 106201 Specdb::MsMs 106202 Specdb::MsMs 172869 Specdb::MsMs 172870 Specdb::MsMs 172871 Specdb::MsMs 3602168 Specdb::MsMs 3602169 Specdb::MsMs 3602170 Specdb::MsMs 3602171 Specdb::MsMs 3602172 Specdb::MsMs 3602173 Black walnut Type 1 specific Juglans nigra 16719 Dandelion Type 1 specific Taraxacum officinale 50225