1.0 2026-09-21 14:10:40 UTC 2026-09-21 14:10:40 UTC FDB116564 3-hydroxy-4-methoxy-benzoic acid 3-HYDROXY-4-METHOXYBENZOIC ACID C8H8O4 168.1467 168.042258744 3-hydroxy-4-methoxybenzoic acid isovanillic acid COC1=CC=C(C=C1O)C(O)=O InChI=1S/C8H8O4/c1-12-7-3-2-5(8(10)11)4-6(7)9/h2-4,9H,1H3,(H,10,11) LBKFGYZQBSGRHY-UHFFFAOYSA-N belongs to the class of organic compounds known as p-methoxybenzoic acids and derivatives. These are benzoic acids in which the hydrogen atom at position 4 of the benzene ring is replaced by a methoxy group. P-methoxybenzoic acids and derivatives Organic compounds Benzenoids Benzene and substituted derivatives Benzoic acids and derivatives Aromatic homomonocyclic compounds 1-hydroxy-2-unsubstituted benzenoids 1-hydroxy-4-unsubstituted benzenoids Alkyl aryl ethers Anisoles Benzoic acids Benzoyl derivatives Carboxylic acids Hydrocarbon derivatives Hydroxybenzoic acid derivatives Methoxybenzenes Methoxyphenols Monocarboxylic acids and derivatives Organic oxides Phenoxy compounds 1-hydroxy-2-unsubstituted benzenoid 1-hydroxy-4-unsubstituted benzenoid Alkyl aryl ether Anisole Aromatic homomonocyclic compound Benzoic acid Benzoyl Carboxylic acid Carboxylic acid derivative Ether Hydrocarbon derivative Hydroxybenzoic acid Methoxybenzene Methoxyphenol Monocarboxylic acid or derivatives Organic oxide Organic oxygen compound Organooxygen compound P-methoxybenzoic acid or derivatives Phenol Phenol ether Phenoxy compound methoxybenzoic acid monohydroxybenzoic acid logp 1.81 ALOGPS logs -1.58 ALOGPS solubility 4.42e+00 g/l ALOGPS logp 1.17 ChemAxon pka_strongest_acidic 4.15 ChemAxon pka_strongest_basic -4.9 ChemAxon iupac 3-hydroxy-4-methoxybenzoic acid ChemAxon average_mass 168.1467 ChemAxon mono_mass 168.042258744 ChemAxon smiles COC1=CC=C(C=C1O)C(O)=O ChemAxon formula C8H8O4 ChemAxon inchi InChI=1S/C8H8O4/c1-12-7-3-2-5(8(10)11)4-6(7)9/h2-4,9H,1H3,(H,10,11) ChemAxon inchikey LBKFGYZQBSGRHY-UHFFFAOYSA-N ChemAxon polar_surface_area 66.76 ChemAxon refractivity 41.76 ChemAxon polarizability 15.89 ChemAxon rotatable_bond_count 2 ChemAxon acceptor_count 4 ChemAxon donor_count 2 ChemAxon physiological_charge -1 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 5923 Specdb::CMs 29872 Specdb::CMs 47993 Specdb::CMs 102424 Specdb::CMs 147839 Specdb::MsIr 9828 Specdb::MsIr 9829 Specdb::MsIr 9830 Specdb::MsMs 9695 Specdb::MsMs 9696 Specdb::MsMs 9697 Specdb::MsMs 16367 Specdb::MsMs 16368 Specdb::MsMs 16369 Specdb::MsMs 3224200 Specdb::MsMs 3224201 Specdb::MsMs 3224202 Specdb::MsMs 3224203 Specdb::MsMs 3224204 Specdb::MsMs 3224205 Specdb::NmrOneD 55402 Specdb::NmrOneD 55403 Specdb::NmrOneD 55404 Specdb::NmrOneD 55405 Specdb::NmrOneD 55406 Specdb::NmrOneD 55407 Specdb::NmrOneD 55408 Specdb::NmrOneD 55409 Specdb::NmrOneD 55410 Specdb::NmrOneD 55411 Specdb::NmrOneD 55412 Specdb::NmrOneD 55413 Specdb::NmrOneD 55414 Specdb::NmrOneD 55415 Specdb::NmrOneD 55416 Specdb::NmrOneD 55417 Specdb::NmrOneD 55418 Specdb::NmrOneD 55419 Specdb::NmrOneD 55420 Specdb::NmrOneD 55421