1.0 2026-09-23 07:28:31 UTC 2026-09-23 07:28:31 UTC FDB119997 1-Hydroxy-2,3,5-trimethoxyxanthone 1-hydroxy-2,3,5-trimethoxy-xanthen-9-one 1-hydroxy-2,3,5-trimethoxyxanthen-9-one C16H14O6 302.282 302.079038171 1-hydroxy-2,3,5-trimethoxy-9H-xanthen-9-one 1-hydroxy-2,3,5-trimethoxyxanthen-9-one COC1=CC=CC2=C1OC1=CC(OC)=C(OC)C(O)=C1C2=O InChI=1S/C16H14O6/c1-19-9-6-4-5-8-13(17)12-10(22-15(8)9)7-11(20-2)16(21-3)14(12)18/h4-7,18H,1-3H3 FFVKXGZKJBHJMS-UHFFFAOYSA-N belongs to the class of organic compounds known as xanthones. These are polycyclic aromatic compounds containing a xanthene moiety conjugated to a ketone group at carbon 9. Xanthene is a tricyclic compound made up of two benzene rings linearly fused to each other through a pyran ring. Xanthones Organic compounds Organoheterocyclic compounds Benzopyrans 1-benzopyrans Aromatic heteropolycyclic compounds 1-hydroxy-4-unsubstituted benzenoids Alkyl aryl ethers Anisoles Chromones Heteroaromatic compounds Hydrocarbon derivatives Organic oxides Oxacyclic compounds Pyranones and derivatives Vinylogous acids 1-hydroxy-4-unsubstituted benzenoid Alkyl aryl ether Anisole Aromatic heteropolycyclic compound Benzenoid Chromone Ether Heteroaromatic compound Hydrocarbon derivative Organic oxide Organic oxygen compound Organooxygen compound Oxacycle Pyran Pyranone Vinylogous acid Xanthone logp 2.96 ALOGPS logs -3.49 ALOGPS solubility 9.79e-02 g/l ALOGPS logp 2.83 ChemAxon pka_strongest_acidic 8.9 ChemAxon pka_strongest_basic -3.7 ChemAxon iupac 1-hydroxy-2,3,5-trimethoxy-9H-xanthen-9-one ChemAxon average_mass 302.282 ChemAxon mono_mass 302.079038171 ChemAxon smiles COC1=CC=CC2=C1OC1=CC(OC)=C(OC)C(O)=C1C2=O ChemAxon formula C16H14O6 ChemAxon inchi InChI=1S/C16H14O6/c1-19-9-6-4-5-8-13(17)12-10(22-15(8)9)7-11(20-2)16(21-3)14(12)18/h4-7,18H,1-3H3 ChemAxon inchikey FFVKXGZKJBHJMS-UHFFFAOYSA-N ChemAxon polar_surface_area 74.22 ChemAxon refractivity 78.19 ChemAxon polarizability 30.26 ChemAxon rotatable_bond_count 3 ChemAxon acceptor_count 5 ChemAxon donor_count 1 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon