1.0 2010-04-08 22:05:08 UTC 2025-11-18 22:33:18 UTC FDB001860 Oryzalexin F Oryzalexin f is a member of the class of compounds known as diterpenoids. Diterpenoids are terpene compounds formed by four isoprene units. Oryzalexin f is practically insoluble (in water) and a very weakly acidic compound (based on its pKa). Oryzalexin f can be found in rice, which makes oryzalexin f a potential biomarker for the consumption of this food product. C20H32O2 304.4669 304.240230268 (2R,4aS,4bR,7S,10aS)-7-ethenyl-1-(hydroxymethyl)-1,4a,7-trimethyl-1,2,3,4,4a,4b,5,6,7,9,10,10a-dodecahydrophenanthren-2-ol (2R,4aS,4bR,7S,10aS)-7-ethenyl-1-(hydroxymethyl)-1,4a,7-trimethyl-3,4,4b,5,6,9,10,10a-octahydro-2H-phenanthren-2-ol 156551-07-4 [H][C@@]12CC[C@@](C)(C=C)C=C1CC[C@]1([H])C(C)(CO)[C@H](O)CC[C@@]21C InChI=1S/C20H32O2/c1-5-18(2)10-8-15-14(12-18)6-7-16-19(15,3)11-9-17(22)20(16,4)13-21/h5,12,15-17,21-22H,1,6-11,13H2,2-4H3/t15-,16+,17-,18-,19+,20?/m1/s1 OJSKJQFODPKTBT-QNSYIDHGSA-N belongs to the class of organic compounds known as diterpenoids. These are terpene compounds formed by four isoprene units. Diterpenoids Organic compounds Lipids and lipid-like molecules Prenol lipids Diterpenoids Aliphatic homopolycyclic compounds Cyclic alcohols and derivatives Hydrocarbon derivatives Hydrophenanthrenes Primary alcohols Secondary alcohols Steroids and steroid derivatives Alcohol Aliphatic homopolycyclic compound Cyclic alcohol Diterpenoid Hydrocarbon derivative Hydrophenanthrene Organic oxygen compound Organooxygen compound Phenanthrene Pimarane diterpenoid Primary alcohol Secondary alcohol Steroid logp 3.68 ALOGPS logs -4.43 ALOGPS solubility 1.13e-02 g/l ALOGPS logp 3.36 ChemAxon pka_strongest_acidic 14.49 ChemAxon pka_strongest_basic -2.8 ChemAxon iupac (2R,4aS,4bR,7S,10aS)-7-ethenyl-1-(hydroxymethyl)-1,4a,7-trimethyl-1,2,3,4,4a,4b,5,6,7,9,10,10a-dodecahydrophenanthren-2-ol ChemAxon average_mass 304.4669 ChemAxon mono_mass 304.240230268 ChemAxon smiles [H][C@@]12CC[C@@](C)(C=C)C=C1CC[C@]1([H])C(C)(CO)[C@H](O)CC[C@@]21C ChemAxon formula C20H32O2 ChemAxon inchi InChI=1S/C20H32O2/c1-5-18(2)10-8-15-14(12-18)6-7-16-19(15,3)11-9-17(22)20(16,4)13-21/h5,12,15-17,21-22H,1,6-11,13H2,2-4H3/t15-,16+,17-,18-,19+,20?/m1/s1 ChemAxon inchikey OJSKJQFODPKTBT-QNSYIDHGSA-N ChemAxon polar_surface_area 40.46 ChemAxon refractivity 91.91 ChemAxon polarizability 36.6 ChemAxon rotatable_bond_count 2 ChemAxon acceptor_count 2 ChemAxon donor_count 2 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 99720 Specdb::MsMs 99721 Specdb::MsMs 99722 Specdb::MsMs 164904 Specdb::MsMs 164905 Specdb::MsMs 164906 Specdb::MsMs 3598807 Specdb::MsMs 3598808 Specdb::MsMs 3598809 Specdb::MsMs 3598810 Specdb::MsMs 3598811 Specdb::MsMs 3598812 Rice Type 1 specific Oryza sativa 4530