1.0 2026-09-21 20:28:01 UTC 2026-09-21 20:28:01 UTC FDB117050 4-Aminosalicylic acid 4-amino-2-hydroxy-benzoic acid 4-amino-2-hydroxybenzoic acid C7H7NO3 153.1354 153.042593095 4-amino-2-hydroxybenzoic acid aminosalicylic acid NC1=CC(O)=C(C=C1)C(O)=O InChI=1S/C7H7NO3/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3,9H,8H2,(H,10,11) WUBBRNOQWQTFEX-UHFFFAOYSA-N belongs to the class of organic compounds known as aminosalicylic acids. These are salicylic acids carrying an amino group on the benzene ring. Aminosalicylic acids Organic compounds Benzenoids Benzene and substituted derivatives Benzoic acids and derivatives Aromatic homomonocyclic compounds 1-hydroxy-2-unsubstituted benzenoids 1-hydroxy-4-unsubstituted benzenoids 4-aminosalicylic acids Amino acids Aminobenzoic acids Aniline and substituted anilines Benzoic acids Benzoyl derivatives Carboxylic acids Hydrocarbon derivatives Monocarboxylic acids and derivatives Organic oxides Organooxygen compounds Organopnictogen compounds Primary amines Salicylic acids Vinylogous acids m-Aminophenols 1-hydroxy-2-unsubstituted benzenoid 1-hydroxy-4-unsubstituted benzenoid 4-aminosalicylic acid Amine Amino acid Amino acid or derivatives Aminobenzoic acid Aminobenzoic acid or derivatives Aminophenol Aminosalicylic acid Aniline or substituted anilines Aromatic homomonocyclic compound Benzoic acid Benzoyl Carboxylic acid Carboxylic acid derivative Hydrocarbon derivative M-aminophenol Monocarboxylic acid or derivatives Organic nitrogen compound Organic oxide Organic oxygen compound Organonitrogen compound Organooxygen compound Organopnictogen compound Phenol Primary amine Salicylic acid Vinylogous acid aminobenzoic acid phenols logp 0.62 ALOGPS logs -1.11 ALOGPS solubility 1.18e+01 g/l ALOGPS logp 0.83 ChemAxon pka_strongest_acidic 3.68 ChemAxon pka_strongest_basic 2.19 ChemAxon iupac 4-amino-2-hydroxybenzoic acid ChemAxon average_mass 153.1354 ChemAxon mono_mass 153.042593095 ChemAxon smiles NC1=CC(O)=C(C=C1)C(O)=O ChemAxon formula C7H7NO3 ChemAxon inchi InChI=1S/C7H7NO3/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3,9H,8H2,(H,10,11) ChemAxon inchikey WUBBRNOQWQTFEX-UHFFFAOYSA-N ChemAxon polar_surface_area 83.55 ChemAxon refractivity 40 ChemAxon polarizability 14.29 ChemAxon rotatable_bond_count 1 ChemAxon acceptor_count 4 ChemAxon donor_count 3 ChemAxon physiological_charge -1 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 21240 Specdb::CMs 40297 Specdb::CMs 134078 Specdb::CMs 141812 Specdb::MsIr 3016 Specdb::MsIr 3017 Specdb::MsIr 3018 Specdb::NmrOneD 12102 Specdb::NmrOneD 12103 Specdb::NmrOneD 12104 Specdb::NmrOneD 12105 Specdb::NmrOneD 12106 Specdb::NmrOneD 12107 Specdb::NmrOneD 12108 Specdb::NmrOneD 12109 Specdb::NmrOneD 12110 Specdb::NmrOneD 12111 Specdb::NmrOneD 12112 Specdb::NmrOneD 12113 Specdb::NmrOneD 12114 Specdb::NmrOneD 12115 Specdb::NmrOneD 12116 Specdb::NmrOneD 12117 Specdb::NmrOneD 12118 Specdb::NmrOneD 12119 Specdb::NmrOneD 12120 Specdb::NmrOneD 12121 Specdb::MsMs 78720 Specdb::MsMs 78721 Specdb::MsMs 78722 Specdb::MsMs 139152 Specdb::MsMs 139153 Specdb::MsMs 139154 Specdb::MsMs 374859 Specdb::MsMs 437221 Specdb::MsMs 437222 Specdb::MsMs 437223 Specdb::MsMs 437224 Specdb::MsMs 437225 Specdb::MsMs 451579 Specdb::MsMs 2257321 Specdb::MsMs 2259228 Specdb::MsMs 2259318 Specdb::MsMs 2696979 Specdb::MsMs 2696980 Specdb::MsMs 2696981 Specdb::MsMs 2981642 Specdb::MsMs 2981643 Specdb::MsMs 2981644