1.0 2026-04-03 12:56:00 UTC 2026-08-20 04:28:19 UTC [2,2'-Biquinoline]-4,4'-dicarboxylic acid SmallMolecule [2,2'-Biquinoline]-4,4'-dicarboxylic acid belongs to the quinoline carboxylic acids, a subclass of quinolines and derivatives within the organic compounds. This organoheterocyclic compound has the chemical formula C20H12N2O4 and an average molecular weight of 344.33 g/mol. The substance is found in or released from six recorded sources across various categories. Within food, food processing, and cookware, it is associated with the preparation of wort, the preparation of wine or sparkling wine, and fermentation processes for beer. In the category of electrical and electronic equipment, it is linked to antennas as well as cores, yokes, or armatures. Additionally, it is found in household cleaning and consumer products, specifically in cigar cigarettes. (2,2'-Biquinoline)-4,4'-dicarboxylic acid 2, 2-Bicinchoninic acid 2,2'-Bi-cinchoninic acid 2,2'-Bicinchonic acid 2,2'-BICINCHONINIC ACID 2,2'-Biquinoline-4,4'-dicarboxylic acid 2,2'-Biquinoline-4,4'-dicarboxylic acid dipotassium salt trihydrate 2,2'-Biquinolinyl-4,4'-dicarboxylic acid 2,2'-Dicinchoninic acid 2,2-Bicinchoninic acid 2,2-BICINCHONINICACID 2,2-biquinoline-4,4-dicarboxylic acid 2,2?-Bicinchoninicacid 2,2?-Biquinoline-4,4?-dicarboxylicacid 2,2′-biquinoline-4,4′-dicarboxylic acid 2,2′-biquinoline-4,4′-dicarboxylic acid 2-(4-carboxy-2-quinolyl)-4-quinolinecarboxylic acid 2-(4-carboxy-2-quinolyl)cinchoninic acid 2-(4-carboxy-2-quinolyl)quinoline-4-carboxylic acid 2-(4-carboxyquinolin-2-yl)quinoline-4-carboxylic acid 214-990-9 321561 4,4'-Dicarboxy-2,2'-biquinoline 4,4'-Dicarboxy-2,2'-biquinolyl 4,4′-dicarboxy-2,2′-biquinoline 4,4′-dicarboxy-2,2′-biquinoline Bicinchoninic acid Bicinchoninic acid disodium salt EINECS 214-990-9 Oprea1_680702 Potassium [2,2'-biquinoline]-4,4'-dicarboxylate trihydrate SBB002943 UNII-CX56TX9Y1I UNII:CX56TX9Y1I [1245-13-2] [2,2'-Biquinoline]-4,4'-dicarboxylic acid [2,2'-Biquinoline]-4,4'-dicarboxylicacid [2,2']Biquinolinyl-4,4'-dicarboxylic acid [2,2\'-Biquinoline]-4,4\'-dicarboxylic acid C20H12N2O4 344.326 344.079707 [2,2'-biquinoline]-4,4'-dicarboxylic acid bicinchoninic acid 1245-13-2 OC(=O)C1=CC(=NC2=CC=CC=C12)C1=CC(C(O)=O)=C2C=CC=CC2=N1 InChI=1S/C20H12N2O4/c23-19(24)13-9-17(21-15-7-3-1-5-11(13)15)18-10-14(20(25)26)12-6-2-4-8-16(12)22-18/h1-10H,(H,23,24)(H,25,26) AFYDDZULBEJA-UHFFFAOYSA-N Organic compounds Organoheterocyclic compounds Quinolines and derivatives Quinoline carboxylic acids Quinoline carboxylic acids Azacyclic compounds Benzenoids Bipyridines and oligopyridines Carboxylic acids Dicarboxylic acids and derivatives Heteroaromatic compounds Hydrocarbon derivatives Organic oxides Organonitrogen compounds Organooxygen compounds Organopnictogen compounds Pyridinecarboxylic acids Aromatic heteropolycyclic compound Azacycle Benzenoid Bipyridine Carboxylic acid Carboxylic acid derivative Dicarboxylic acid or derivatives Heteroaromatic compound Hydrocarbon derivative Organic nitrogen compound Organic oxide Organic oxygen compound Organonitrogen compound Organooxygen compound Organopnictogen compound Pyridine Pyridine carboxylic acid Pyridine carboxylic acid or derivatives Quinoline-4-carboxylic acid Aromatic heteropolycyclic compounds Detected and Not Quantified logp 3.2 logp 2.54 ALOGPS logs -4.53 ALOGPS solubility 1.02e-02 g/l ALOGPS logp 4.02 ChemAxon pka_strongest_acidic 3.26 ChemAxon pka_strongest_basic 0.15 ChemAxon iupac [2,2'-biquinoline]-4,4'-dicarboxylic acid ChemAxon average_mass 344.326 ChemAxon mono_mass 344.079707 ChemAxon smiles OC(=O)C1=CC(=NC2=CC=CC=C12)C1=CC(C(O)=O)=C2C=CC=CC2=N1 ChemAxon formula C20H12N2O4 ChemAxon inchi InChI=1S/C20H12N2O4/c23-19(24)13-9-17(21-15-7-3-1-5-11(13)15)18-10-14(20(25)26)12-6-2-4-8-16(12)22-18/h1-10H,(H,23,24)(H,25,26) ChemAxon inchikey AFYDDZULBEJA-UHFFFAOYSA-N ChemAxon polar_surface_area 100.38 ChemAxon refractivity 92.81 ChemAxon polarizability 35.39 ChemAxon rotatable_bond_count 3 ChemAxon acceptor_count 6 ChemAxon donor_count 2 ChemAxon physiological_charge -2 ChemAxon formal_charge 0 ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f726db562d8> 71068 64223