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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 13:22:36 UTC
Update Date2021-09-26 23:08:00 UTC
HMDB IDHMDB0254187
Secondary Accession NumbersNone
Metabolite Identification
Common Name2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid
Description2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid, also known as 2-pppe-iaa or ppeia CPD, belongs to the class of organic compounds known as diphenylethers. These are aromatic compounds containing two benzene rings linked to each other through an ether group. Based on a literature review a significant number of articles have been published on 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid. This compound has been identified in human blood as reported by (PMID: 31557052 ). 2-(2-(4-phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid 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
Synonyms
ValueSource
2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetateGenerator
2-PPPE-iaaHMDB
PPEIA CPDHMDB
2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acidMeSH
Chemical FormulaC27H27NO4
Average Molecular Weight429.516
Monoisotopic Molecular Weight429.194008353
IUPAC Name2-{2-[2-(4-phenoxy-2-propylphenoxy)ethyl]-1H-indol-5-yl}acetic acid
Traditional Name{2-[2-(4-phenoxy-2-propylphenoxy)ethyl]-1H-indol-5-yl}acetic acid
CAS Registry NumberNot Available
SMILES
CCCC1=C(OCCC2=CC3=C(N2)C=CC(CC(O)=O)=C3)C=CC(OC2=CC=CC=C2)=C1
InChI Identifier
InChI=1S/C27H27NO4/c1-2-6-20-18-24(32-23-7-4-3-5-8-23)10-12-26(20)31-14-13-22-17-21-15-19(16-27(29)30)9-11-25(21)28-22/h3-5,7-12,15,17-18,28H,2,6,13-14,16H2,1H3,(H,29,30)
InChI KeyDFFOSEJNFZUOSK-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as diphenylethers. These are aromatic compounds containing two benzene rings linked to each other through an ether group.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassDiphenylethers
Direct ParentDiphenylethers
Alternative Parents
Substituents
  • Diphenylether
  • Indolyl carboxylic acid derivative
  • Diaryl ether
  • Indole
  • Indole or derivatives
  • Phenylpropane
  • Phenoxy compound
  • Phenol ether
  • Alkyl aryl ether
  • Substituted pyrrole
  • Heteroaromatic compound
  • Pyrrole
  • Azacycle
  • Monocarboxylic acid or derivatives
  • Ether
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organoheterocyclic compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Carbonyl group
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
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
logP6.25ALOGPS
logP6.16ChemAxon
logS-6.4ALOGPS
pKa (Strongest Acidic)4.49ChemAxon
pKa (Strongest Basic)-3.7ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area71.55 ŲChemAxon
Rotatable Bond Count10ChemAxon
Refractivity124.75 m³·mol⁻¹ChemAxon
Polarizability47.04 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleYesChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+204.49830932474
DeepCCS[M-H]-202.10330932474
DeepCCS[M-2H]-234.98530932474
DeepCCS[M+Na]+210.41130932474
AllCCS[M+H]+208.332859911
AllCCS[M+H-H2O]+206.032859911
AllCCS[M+NH4]+210.432859911
AllCCS[M+Na]+211.032859911
AllCCS[M-H]-203.132859911
AllCCS[M+Na-2H]-203.232859911
AllCCS[M+HCOO]-203.432859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acidCCCC1=C(OCCC2=CC3=C(N2)C=CC(CC(O)=O)=C3)C=CC(OC2=CC=CC=C2)=C15140.0Standard polar33892256
2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acidCCCC1=C(OCCC2=CC3=C(N2)C=CC(CC(O)=O)=C3)C=CC(OC2=CC=CC=C2)=C13502.3Standard non polar33892256
2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acidCCCC1=C(OCCC2=CC3=C(N2)C=CC(CC(O)=O)=C3)C=CC(OC2=CC=CC=C2)=C13851.2Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid,2TMS,isomer #1CCCC1=CC(OC2=CC=CC=C2)=CC=C1OCCC1=CC2=CC(CC(=O)O[Si](C)(C)C)=CC=C2N1[Si](C)(C)C3755.7Semi standard non polar33892256
2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid,2TMS,isomer #1CCCC1=CC(OC2=CC=CC=C2)=CC=C1OCCC1=CC2=CC(CC(=O)O[Si](C)(C)C)=CC=C2N1[Si](C)(C)C3271.3Standard non polar33892256
2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid,2TMS,isomer #1CCCC1=CC(OC2=CC=CC=C2)=CC=C1OCCC1=CC2=CC(CC(=O)O[Si](C)(C)C)=CC=C2N1[Si](C)(C)C4326.0Standard polar33892256
2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid,2TBDMS,isomer #1CCCC1=CC(OC2=CC=CC=C2)=CC=C1OCCC1=CC2=CC(CC(=O)O[Si](C)(C)C(C)(C)C)=CC=C2N1[Si](C)(C)C(C)(C)C4119.5Semi standard non polar33892256
2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid,2TBDMS,isomer #1CCCC1=CC(OC2=CC=CC=C2)=CC=C1OCCC1=CC2=CC(CC(=O)O[Si](C)(C)C(C)(C)C)=CC=C2N1[Si](C)(C)C(C)(C)C3655.9Standard non polar33892256
2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid,2TBDMS,isomer #1CCCC1=CC(OC2=CC=CC=C2)=CC=C1OCCC1=CC2=CC(CC(=O)O[Si](C)(C)C(C)(C)C)=CC=C2N1[Si](C)(C)C(C)(C)C4388.7Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid GC-MS (Non-derivatized) - 70eV, Positivesplash10-000t-6439400000-0886d3f973068d73bbaf2021-09-24Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid GC-MS (TMS_1_2) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid GC-MS (TBDMS_1_2) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid 10V, Positive-QTOFsplash10-0gx0-0142900000-d0b27817c2993c4286f82021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid 20V, Positive-QTOFsplash10-0f89-0393600000-dae2d70d66f680adc6562021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid 40V, Positive-QTOFsplash10-0zfr-0940000000-077fbdbf9d586656e66a2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid 10V, Negative-QTOFsplash10-001i-0619000000-cdc78f68b55a29e233232021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid 20V, Negative-QTOFsplash10-0a4i-2907200000-3f14c56c3d01a2fb91252021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-(2-(4-Phenoxy-2-propylphenoxy)ethyl)indole-5-acetic acid 40V, Negative-QTOFsplash10-0006-6911000000-687804d961161b6dfb2f2021-10-12Wishart 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 IDC00030537
Chemspider ID8201220
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkCarboxylic acid
METLIN IDNot Available
PubChem Compound10025649
PDB IDNot Available
ChEBI IDNot Available
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 ]