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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-13 11:52:26 UTC
Update Date2023-02-21 17:29:05 UTC
HMDB IDHMDB0042000
Secondary Accession Numbers
  • HMDB42000
Metabolite Identification
Common NamePsilocin
DescriptionPsilocin (4-OH-DMT), an aromatic compound, sometimes also spelled psilocine, psilocyn, or psilotsin, is a psychedelic mushroom alkaloid. It is found in most psychedelic mushrooms together with its phosphorylated counterpart psilocybin. Psilocin is a Schedule I drug under the Convention on Psychotropic Substances. The mind-altering effects of psilocin are highly variable and subjective, but resemble those caused by LSD and mescaline. The effects typically last anywhere from three to eight hours depending on certain variables (such as metabolism, food interaction); however the effects can seem to last much longer due to psilocin's ability to distort the perception of time. Sulfur analogs are known with a benzothienyl replacement as well as 4-SH-DMT. N1-methylpsilocin is a functionally 5-HT2C receptor preferring agonists. 4-fluoro-N,N-dimethyltryptamine is known. O-Acetylpsilocin is an acetylized analog of psilocin, also known as 4-AcO-DMT. Additionally, substitution of a methyl group at the dimethylated nitrogen with an isopropyl or ethyl group yields 4-HO-MIPT (4-Hydroxy-N-Methyl-N-Isopropyltryptamine) and 4-HO-MET (4-Hydroxy-N-Methyl-N-Ethyltryptamine), respectively.
Structure
Data?1677000545
Synonyms
ValueSource
3-(2-(Dimethylamino)ethyl)indol-4-olChEBI
4-Hydroxy-N,N-dimethyltryptamineChEBI
4-OH-DMTChEBI
N,N-Dimethyl-4-hydroxytryptamineChEBI
PsilocineChEBI
PsilotsinChEBI
3-[2-(Dimethylamino)ethyl]-1H-indol-4-olHMDB
3-[2-(Dimethylamino)ethyl]-indol-4-olHMDB
Psilocin tartrate (1:1)HMDB
Psilocin hydrochlorideHMDB
(3-(2-Dimethylamino)ethyl)indol-4-olHMDB
Chemical FormulaC12H16N2O
Average Molecular Weight204.2682
Monoisotopic Molecular Weight204.126263144
IUPAC Name3-[2-(dimethylamino)ethyl]-1H-indol-4-ol
Traditional Namepsilocin
CAS Registry Number520-53-6
SMILES
CN(C)CCC1=CNC2=C1C(O)=CC=C2
InChI Identifier
InChI=1S/C12H16N2O/c1-14(2)7-6-9-8-13-10-4-3-5-11(15)12(9)10/h3-5,8,13,15H,6-7H2,1-2H3
InChI KeySPCIYGNTAMCTRO-UHFFFAOYSA-N
Chemical Taxonomy
Description 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.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassIndoles and derivatives
Sub ClassTryptamines and derivatives
Direct ParentTryptamines and derivatives
Alternative Parents
Substituents
  • Tryptamine
  • Hydroxyindole
  • 3-alkylindole
  • Indole
  • Alkaloid or derivatives
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Aralkylamine
  • Substituted pyrrole
  • Benzenoid
  • Pyrrole
  • Heteroaromatic compound
  • Tertiary aliphatic amine
  • Tertiary amine
  • Azacycle
  • Hydrocarbon derivative
  • Organopnictogen compound
  • Organic oxygen compound
  • Amine
  • Organooxygen compound
  • Organonitrogen compound
  • Organic nitrogen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point174.5 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic Properties

Experimental Collision Cross Sections

Adduct TypeData SourceCCS Value (Å2)Reference
[M+H]+CBM144.830932474
Predicted Molecular Properties
PropertyValueSource
Water Solubility4.08 g/LALOGPS
logP1.98ALOGPS
logP1.15ChemAxon
logS-1.7ALOGPS
pKa (Strongest Acidic)8.97ChemAxon
pKa (Strongest Basic)9.78ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area39.26 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity62.42 m³·mol⁻¹ChemAxon
Polarizability23.11 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+148.03831661259
DarkChem[M-H]-144.50831661259
DeepCCS[M+H]+143.09130932474
DeepCCS[M-H]-139.91330932474
DeepCCS[M-2H]-176.47230932474
DeepCCS[M+Na]+152.01130932474
AllCCS[M+H]+145.532859911
AllCCS[M+H-H2O]+141.432859911
AllCCS[M+NH4]+149.332859911
AllCCS[M+Na]+150.532859911
AllCCS[M-H]-150.332859911
AllCCS[M+Na-2H]-150.632859911
AllCCS[M+HCOO]-151.032859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
PsilocinCN(C)CCC1=CNC2=C1C(O)=CC=C22951.4Standard polar33892256
PsilocinCN(C)CCC1=CNC2=C1C(O)=CC=C21991.9Standard non polar33892256
PsilocinCN(C)CCC1=CNC2=C1C(O)=CC=C22032.2Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Psilocin,1TMS,isomer #1CN(C)CCC1=C[NH]C2=CC=CC(O[Si](C)(C)C)=C122000.4Semi standard non polar33892256
Psilocin,1TMS,isomer #2CN(C)CCC1=CN([Si](C)(C)C)C2=CC=CC(O)=C122068.5Semi standard non polar33892256
Psilocin,2TMS,isomer #1CN(C)CCC1=CN([Si](C)(C)C)C2=CC=CC(O[Si](C)(C)C)=C122080.6Semi standard non polar33892256
Psilocin,2TMS,isomer #1CN(C)CCC1=CN([Si](C)(C)C)C2=CC=CC(O[Si](C)(C)C)=C122048.2Standard non polar33892256
Psilocin,1TBDMS,isomer #1CN(C)CCC1=C[NH]C2=CC=CC(O[Si](C)(C)C(C)(C)C)=C122236.2Semi standard non polar33892256
Psilocin,1TBDMS,isomer #2CN(C)CCC1=CN([Si](C)(C)C(C)(C)C)C2=CC=CC(O)=C122294.0Semi standard non polar33892256
Psilocin,2TBDMS,isomer #1CN(C)CCC1=CN([Si](C)(C)C(C)(C)C)C2=CC=CC(O[Si](C)(C)C(C)(C)C)=C122492.8Semi standard non polar33892256
Psilocin,2TBDMS,isomer #1CN(C)CCC1=CN([Si](C)(C)C(C)(C)C)C2=CC=CC(O[Si](C)(C)C(C)(C)C)=C122479.5Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental GC-MSGC-MS Spectrum - Psilocin EI-B (Non-derivatized)splash10-0a4i-9000000000-62ea72268c3ac8349f992017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Psilocin EI-B (Non-derivatized)splash10-0a4i-9000000000-62ea72268c3ac8349f992018-05-18HMDB team, MONA, MassBankView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Psilocin GC-MS (Non-derivatized) - 70eV, Positivesplash10-0a4i-9200000000-4cca4e47c3bcf0ef37fc2017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Psilocin GC-MS (1 TMS) - 70eV, Positivesplash10-0a4i-9030000000-8686b03317e1e073c4752017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Psilocin GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Psilocin GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
MSMass Spectrum (Electron Ionization)splash10-0a4i-9110000000-58fd69735c607f0dbac42014-09-20Not AvailableView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Psilocin 10V, Positive-QTOFsplash10-0a4i-0390000000-30b1cea064c20727c6772016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Psilocin 20V, Positive-QTOFsplash10-08fr-0940000000-3d03cc820b34ad7de95c2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Psilocin 40V, Positive-QTOFsplash10-01qa-2900000000-6a888d817b451f311e432016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Psilocin 10V, Negative-QTOFsplash10-0udi-0090000000-b5141a6d394f0df7c3ea2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Psilocin 20V, Negative-QTOFsplash10-0udi-1290000000-19a265b5ec7903ebc8662016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Psilocin 40V, Negative-QTOFsplash10-052f-5900000000-47f31324e343d436c5c12016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Psilocin 10V, Positive-QTOFsplash10-0a4i-0190000000-f79ac11f836485a9a33e2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Psilocin 20V, Positive-QTOFsplash10-0bt9-3960000000-13e401841c5ab05a231a2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Psilocin 40V, Positive-QTOFsplash10-0a4i-9300000000-3a3674a946d2718b74432021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Psilocin 10V, Negative-QTOFsplash10-0udi-0090000000-32999cb59116f2b8b3252021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Psilocin 20V, Negative-QTOFsplash10-0udi-0890000000-c3fa63e2f7ddbfec26ec2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Psilocin 40V, Negative-QTOFsplash10-0006-0900000000-f18009588fc5bfaa3db92021-09-22Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-)2023-02-04FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-04FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-04FELIX labView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDC00001427
Chemspider ID4807
KEGG Compound IDC08312
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkPsilocin
METLIN IDNot Available
PubChem Compound4980
PDB IDNot Available
ChEBI ID8613
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available