1.0 2026-09-21 19:03:50 UTC 2026-09-21 19:03:50 UTC FDB116941 Quininic acid 6-methoxyquinoline-4-carboxylic acid C11H9NO3 203.197 203.058243154 6-methoxyquinoline-4-carboxylic acid quininic acid COC1=CC=C2N=CC=C(C(O)=O)C2=C1 InChI=1S/C11H9NO3/c1-15-7-2-3-10-9(6-7)8(11(13)14)4-5-12-10/h2-6H,1H3,(H,13,14) XXLFLUJXWKXUGS-UHFFFAOYSA-N belongs to the class of organic compounds known as quinoline carboxylic acids. These are quinolines in which the quinoline ring system is substituted by a carboxyl group at one or more positions. Quinoline carboxylic acids Organic compounds Organoheterocyclic compounds Quinolines and derivatives Quinoline carboxylic acids Aromatic heteropolycyclic compounds Alkyl aryl ethers Anisoles Azacyclic compounds Carboxylic acids Heteroaromatic compounds Hydrocarbon derivatives Organic oxides Organonitrogen compounds Pyridinecarboxylic acids Alkyl aryl ether Anisole Aromatic heteropolycyclic compound Azacycle Benzenoid Carboxylic acid Carboxylic acid derivative Ether Heteroaromatic compound Hydrocarbon derivative Organic nitrogen compound Organic oxide Organic oxygen compound Organonitrogen compound Organooxygen compound Phenol ether Pyridine Pyridine carboxylic acid Pyridine carboxylic acid or derivatives Quinoline-4-carboxylic acid logp 1.42 ALOGPS logs -2.50 ALOGPS solubility 6.44e-01 g/l ALOGPS logp 1.46 ChemAxon pka_strongest_acidic 3.64 ChemAxon pka_strongest_basic 1.95 ChemAxon iupac 6-methoxyquinoline-4-carboxylic acid ChemAxon average_mass 203.197 ChemAxon mono_mass 203.058243154 ChemAxon smiles COC1=CC=C2N=CC=C(C(O)=O)C2=C1 ChemAxon formula C11H9NO3 ChemAxon inchi InChI=1S/C11H9NO3/c1-15-7-2-3-10-9(6-7)8(11(13)14)4-5-12-10/h2-6H,1H3,(H,13,14) ChemAxon inchikey XXLFLUJXWKXUGS-UHFFFAOYSA-N ChemAxon polar_surface_area 59.42 ChemAxon refractivity 53.7 ChemAxon polarizability 20.04 ChemAxon rotatable_bond_count 2 ChemAxon acceptor_count 4 ChemAxon donor_count 1 ChemAxon physiological_charge -1 ChemAxon formal_charge 0 ChemAxon