1.0 2026-09-22 20:31:40 UTC 2026-09-22 20:31:40 UTC FDB118837 Psilocybin [3-[2-(dimethylamino)ethyl]-1H-indol-4-yl] dihydrogen phosphate C12H17N2O4P 284.2481 284.092593554 ({3-[2-(dimethylamino)ethyl]-1H-indol-4-yl}oxy)phosphonic acid psilocybin CN(C)CCC1=CNC2=CC=CC(OP(O)(O)=O)=C12 InChI=1S/C12H17N2O4P/c1-14(2)7-6-9-8-13-10-4-3-5-11(12(9)10)18-19(15,16)17/h3-5,8,13H,6-7H2,1-2H3,(H2,15,16,17) QVDSEJDULKLHCG-UHFFFAOYSA-N belongs to the class of organic compounds known as tryptamines and derivatives. Tryptamines and derivatives are compounds containing the tryptamine backbone, which is structurally characterized by an indole ring substituted at the 3-position by an ethanamine. Tryptamines and derivatives Organic compounds Organoheterocyclic compounds Indoles and derivatives Tryptamines and derivatives Aromatic heteropolycyclic compounds 3-alkylindoles Alkaloids and derivatives Aralkylamines Aryl phosphomonoesters Azacyclic compounds Benzenoids Heteroaromatic compounds Hydrocarbon derivatives Organic oxides Organooxygen compounds Organopnictogen compounds Substituted pyrroles Trialkylamines 3-alkylindole Alkaloid or derivatives Amine Aralkylamine Aromatic heteropolycyclic compound Aryl phosphate Aryl phosphomonoester Azacycle Benzenoid Heteroaromatic compound Hydrocarbon derivative Indole Organic nitrogen compound Organic oxide Organic oxygen compound Organic phosphoric acid derivative Organonitrogen compound Organooxygen compound Organopnictogen compound Phosphoric acid ester Pyrrole Substituted pyrrole Tertiary aliphatic amine Tertiary amine Tryptamine Alkaloids organic phosphate tertiary amino compound tryptamine alkaloid logp 1.25 ALOGPS logs -2.02 ALOGPS solubility 2.70e+00 g/l ALOGPS logp -0.14 ChemAxon pka_strongest_acidic 1.74 ChemAxon pka_strongest_basic 9.54 ChemAxon iupac ({3-[2-(dimethylamino)ethyl]-1H-indol-4-yl}oxy)phosphonic acid ChemAxon average_mass 284.2481 ChemAxon mono_mass 284.092593554 ChemAxon smiles CN(C)CCC1=CNC2=CC=CC(OP(O)(O)=O)=C12 ChemAxon formula C12H17N2O4P ChemAxon inchi InChI=1S/C12H17N2O4P/c1-14(2)7-6-9-8-13-10-4-3-5-11(12(9)10)18-19(15,16)17/h3-5,8,13H,6-7H2,1-2H3,(H2,15,16,17) ChemAxon inchikey QVDSEJDULKLHCG-UHFFFAOYSA-N ChemAxon polar_surface_area 85.79 ChemAxon refractivity 73.3 ChemAxon polarizability 27.82 ChemAxon rotatable_bond_count 5 ChemAxon acceptor_count 4 ChemAxon donor_count 3 ChemAxon physiological_charge -1 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 27339 Specdb::CMs 111007 Specdb::CMs 124116 Specdb::EiMs 965 Specdb::MsMs 100287 Specdb::MsMs 100288 Specdb::MsMs 100289 Specdb::MsMs 165570 Specdb::MsMs 165571 Specdb::MsMs 165572 Specdb::NmrOneD 237288 Specdb::NmrOneD 237289 Specdb::NmrOneD 237290 Specdb::NmrOneD 237291 Specdb::NmrOneD 237292 Specdb::NmrOneD 237293 Specdb::NmrOneD 237294 Specdb::NmrOneD 237295 Specdb::NmrOneD 237296 Specdb::NmrOneD 237297 Specdb::NmrOneD 237298 Specdb::NmrOneD 237299 Specdb::NmrOneD 237300 Specdb::NmrOneD 237301 Specdb::NmrOneD 237302 Specdb::NmrOneD 237303 Specdb::NmrOneD 237304 Specdb::NmrOneD 237305 Specdb::NmrOneD 237306 Specdb::NmrOneD 237307