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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-10 20:47:23 UTC
Update Date2021-09-26 22:50:38 UTC
HMDB IDHMDB0243539
Secondary Accession NumbersNone
Metabolite Identification
Common Name(+)-Isopilocarpine
Description(+)-Isopilocarpine belongs to the class of organic compounds known as alkaloids and derivatives. These are naturally occurring chemical compounds that contain mostly basic nitrogen atoms. This group also includes some related compounds with neutral and even weakly acidic properties. Also some synthetic compounds of similar structure are attributed to alkaloids. In addition to carbon, hydrogen and nitrogen, alkaloids may also contain oxygen, sulfur and more rarely other elements such as chlorine, bromine, and phosphorus. Based on a literature review a small amount of articles have been published on (+)-Isopilocarpine. This compound has been identified in human blood as reported by (PMID: 31557052 ). (+)-isopilocarpine is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically (+)-Isopilocarpine is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
SynonymsNot Available
Chemical FormulaC11H16N2O2
Average Molecular Weight208.261
Monoisotopic Molecular Weight208.121177763
IUPAC Name3-ethyl-4-[(1-methyl-1H-imidazol-5-yl)methyl]oxolan-2-one
Traditional Namexi,xi-pilocarpine
CAS Registry NumberNot Available
SMILES
CCC1C(CC2=CN=CN2C)COC1=O
InChI Identifier
InChI=1S/C11H16N2O2/c1-3-10-8(6-15-11(10)14)4-9-5-12-7-13(9)2/h5,7-8,10H,3-4,6H2,1-2H3
InChI KeyQCHFTSOMWOSFHM-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as alkaloids and derivatives. These are naturally occurring chemical compounds that contain mostly basic nitrogen atoms. This group also includes some related compounds with neutral and even weakly acidic properties. Also some synthetic compounds of similar structure are attributed to alkaloids. In addition to carbon, hydrogen and nitrogen, alkaloids may also contain oxygen, sulfur and more rarely other elements such as chlorine, bromine, and phosphorus.
KingdomOrganic compounds
Super ClassAlkaloids and derivatives
ClassNot Available
Sub ClassNot Available
Direct ParentAlkaloids and derivatives
Alternative Parents
Substituents
  • Alkaloid or derivatives
  • Gamma butyrolactone
  • N-substituted imidazole
  • Azole
  • Imidazole
  • Heteroaromatic compound
  • Tetrahydrofuran
  • Carboxylic acid ester
  • Lactone
  • Carboxylic acid derivative
  • Monocarboxylic acid or derivatives
  • Oxacycle
  • Azacycle
  • Organoheterocyclic compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organopnictogen compound
  • Carbonyl group
  • Organonitrogen compound
  • Organooxygen compound
  • Organic oxygen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
logP1.15ALOGPS
logP0.95ChemAxon
logS-2ALOGPS
pKa (Strongest Basic)6.61ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area44.12 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity56.53 m³·mol⁻¹ChemAxon
Polarizability21.79 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+146.55530932474
DeepCCS[M-H]-142.72830932474
DeepCCS[M-2H]-180.23330932474
DeepCCS[M+Na]+155.83930932474
AllCCS[M+H]+146.532859911
AllCCS[M+H-H2O]+142.432859911
AllCCS[M+NH4]+150.332859911
AllCCS[M+Na]+151.532859911
AllCCS[M-H]-149.932859911
AllCCS[M+Na-2H]-150.332859911
AllCCS[M+HCOO]-150.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
(+)-IsopilocarpineCCC1C(CC2=CN=CN2C)COC1=O2689.2Standard polar33892256
(+)-IsopilocarpineCCC1C(CC2=CN=CN2C)COC1=O1963.5Standard non polar33892256
(+)-IsopilocarpineCCC1C(CC2=CN=CN2C)COC1=O1989.1Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - (+)-Isopilocarpine GC-MS (Non-derivatized) - 70eV, Positivesplash10-0006-9500000000-dadfea39cdf9ef51bb382021-09-24Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - (+)-Isopilocarpine GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental LC-MS/MSLC-MS/MS Spectrum - (+)-Isopilocarpine 6V, Positive-QTOFsplash10-0a4i-1090000000-2fd25e6044f26134a0aa2021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - (+)-Isopilocarpine 6V, Positive-QTOFsplash10-0a4i-1090000000-a96142a7f969311e7a5b2021-09-20HMDB team, MONAView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (+)-Isopilocarpine 10V, Positive-QTOFsplash10-0a4i-1390000000-5ff1bbd1b734b6351ce52021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (+)-Isopilocarpine 20V, Positive-QTOFsplash10-0a4j-9740000000-f3742430bedb805a29012021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (+)-Isopilocarpine 40V, Positive-QTOFsplash10-0592-9200000000-d339d7cbece04bdd1f882021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (+)-Isopilocarpine 10V, Negative-QTOFsplash10-0a4i-1190000000-fe6991830124468537e52021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (+)-Isopilocarpine 20V, Negative-QTOFsplash10-052b-9440000000-70e476186bca183b4e482021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (+)-Isopilocarpine 40V, Negative-QTOFsplash10-05o0-9200000000-42d2f984d5575550c9ad2021-10-12Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal details
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 IDNot Available
Chemspider ID4653
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound4819
PDB IDNot Available
ChEBI ID39460
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 References
  1. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]