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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 00:25:32 UTC
Update Date2021-09-26 22:57:06 UTC
HMDB IDHMDB0247418
Secondary Accession NumbersNone
Metabolite Identification
Common Name8-Aminooctanoic acid
Description8-Aminooctanoic acid, also known as omega-ac or 8-aminooctanoate, belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms. Based on a literature review a significant number of articles have been published on 8-Aminooctanoic acid. This compound has been identified in human blood as reported by (PMID: 31557052 ). 8-aminooctanoic acid is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 8-Aminooctanoic 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
8-Aminocaprylic acidChEBI
Omega-aminocaprylic acidChEBI
Omega-acChEBI
8-AminocaprylateGenerator
Omega-aminocaprylateGenerator
8-AminooctanoateGenerator
8-Amino-octanoic acidHMDB
8-Amino-octanoateHMDB
Chemical FormulaC8H17NO2
Average Molecular Weight159.2261
Monoisotopic Molecular Weight159.125928793
IUPAC Name8-aminooctanoic acid
Traditional Name8-aminooctanoic acid
CAS Registry NumberNot Available
SMILES
NCCCCCCCC(O)=O
InChI Identifier
InChI=1S/C8H17NO2/c9-7-5-3-1-2-4-6-8(10)11/h1-7,9H2,(H,10,11)
InChI KeyUQXNEWQGGVUVQA-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acids and conjugates
Direct ParentMedium-chain fatty acids
Alternative Parents
Substituents
  • Medium-chain fatty acid
  • Amino fatty acid
  • Straight chain fatty acid
  • Amino acid or derivatives
  • Amino acid
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Primary amine
  • Organooxygen compound
  • Organonitrogen compound
  • Organic nitrogen compound
  • Primary aliphatic amine
  • Amine
  • Carbonyl group
  • Organic oxygen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic 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
logP-1.7ALOGPS
logP-1.1ChemAxon
logS-1.6ALOGPS
pKa (Strongest Acidic)4.83ChemAxon
pKa (Strongest Basic)10.21ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area63.32 ŲChemAxon
Rotatable Bond Count7ChemAxon
Refractivity43.86 m³·mol⁻¹ChemAxon
Polarizability18.88 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+142.35230932474
DeepCCS[M-H]-139.3330932474
DeepCCS[M-2H]-175.97830932474
DeepCCS[M+Na]+151.06730932474
AllCCS[M+H]+136.232859911
AllCCS[M+H-H2O]+132.332859911
AllCCS[M+NH4]+139.832859911
AllCCS[M+Na]+140.832859911
AllCCS[M-H]-137.732859911
AllCCS[M+Na-2H]-139.532859911
AllCCS[M+HCOO]-141.732859911

Predicted Retention Times

Underivatized

Chromatographic MethodRetention TimeReference
Predicted by Siyang on May 30, 20229.2583 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20226.09 minutes32390414
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid830.8 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid252.7 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid101.7 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid169.1 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid113.9 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid251.8 seconds40023050
BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid303.2 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)747.6 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid697.7 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid195.4 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid741.2 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid183.7 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid233.9 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate736.2 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA381.3 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water294.2 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
8-Aminooctanoic acidNCCCCCCCC(O)=O2281.0Standard polar33892256
8-Aminooctanoic acidNCCCCCCCC(O)=O1519.7Standard non polar33892256
8-Aminooctanoic acidNCCCCCCCC(O)=O1456.3Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
8-Aminooctanoic acid,2TMS,isomer #1C[Si](C)(C)NCCCCCCCC(=O)O[Si](C)(C)C1688.1Semi standard non polar33892256
8-Aminooctanoic acid,2TMS,isomer #1C[Si](C)(C)NCCCCCCCC(=O)O[Si](C)(C)C1773.1Standard non polar33892256
8-Aminooctanoic acid,2TMS,isomer #1C[Si](C)(C)NCCCCCCCC(=O)O[Si](C)(C)C1804.4Standard polar33892256
8-Aminooctanoic acid,2TMS,isomer #2C[Si](C)(C)N(CCCCCCCC(=O)O)[Si](C)(C)C1868.8Semi standard non polar33892256
8-Aminooctanoic acid,2TMS,isomer #2C[Si](C)(C)N(CCCCCCCC(=O)O)[Si](C)(C)C1805.6Standard non polar33892256
8-Aminooctanoic acid,2TMS,isomer #2C[Si](C)(C)N(CCCCCCCC(=O)O)[Si](C)(C)C2045.1Standard polar33892256
8-Aminooctanoic acid,3TMS,isomer #1C[Si](C)(C)OC(=O)CCCCCCCN([Si](C)(C)C)[Si](C)(C)C1924.9Semi standard non polar33892256
8-Aminooctanoic acid,3TMS,isomer #1C[Si](C)(C)OC(=O)CCCCCCCN([Si](C)(C)C)[Si](C)(C)C1911.4Standard non polar33892256
8-Aminooctanoic acid,3TMS,isomer #1C[Si](C)(C)OC(=O)CCCCCCCN([Si](C)(C)C)[Si](C)(C)C1792.5Standard polar33892256
8-Aminooctanoic acid,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)NCCCCCCCC(=O)O[Si](C)(C)C(C)(C)C2164.7Semi standard non polar33892256
8-Aminooctanoic acid,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)NCCCCCCCC(=O)O[Si](C)(C)C(C)(C)C2146.4Standard non polar33892256
8-Aminooctanoic acid,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)NCCCCCCCC(=O)O[Si](C)(C)C(C)(C)C2051.3Standard polar33892256
8-Aminooctanoic acid,2TBDMS,isomer #2CC(C)(C)[Si](C)(C)N(CCCCCCCC(=O)O)[Si](C)(C)C(C)(C)C2275.6Semi standard non polar33892256
8-Aminooctanoic acid,2TBDMS,isomer #2CC(C)(C)[Si](C)(C)N(CCCCCCCC(=O)O)[Si](C)(C)C(C)(C)C2188.2Standard non polar33892256
8-Aminooctanoic acid,2TBDMS,isomer #2CC(C)(C)[Si](C)(C)N(CCCCCCCC(=O)O)[Si](C)(C)C(C)(C)C2187.2Standard polar33892256
8-Aminooctanoic acid,3TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)CCCCCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2581.3Semi standard non polar33892256
8-Aminooctanoic acid,3TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)CCCCCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2449.6Standard non polar33892256
8-Aminooctanoic acid,3TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)CCCCCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2156.6Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental GC-MSGC-MS Spectrum - 8-Aminooctanoic acid GC-MS (3 TMS)splash10-00di-2900000000-b5578bc425939113ea8c2014-06-16HMDB team, MONA, MassBankView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 8-Aminooctanoic acid GC-MS (Non-derivatized) - 70eV, Positivesplash10-001l-9100000000-f674d4ea3efbb62e668d2021-09-23Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 8-Aminooctanoic acid GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 8-Aminooctanoic acid GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 8-Aminooctanoic acid GC-MS (TMS_1_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 8-Aminooctanoic acid GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 8-Aminooctanoic acid GC-MS (TBDMS_1_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental LC-MS/MSLC-MS/MS Spectrum - 8-Aminooctanoic acid 20V, Negative-QTOFsplash10-0a4i-2900000000-345bdd9f957faba096dc2021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - 8-Aminooctanoic acid 10V, Negative-QTOFsplash10-0a4i-0900000000-7e154c3665a8a79068252021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - 8-Aminooctanoic acid 20V, Positive-QTOFsplash10-0a4i-9000000000-f99f71c212ee43fc4f8c2021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - 8-Aminooctanoic acid 40V, Positive-QTOFsplash10-0a4i-9000000000-1f9a3fef3da1c4b64fef2021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - 8-Aminooctanoic acid 20V, Positive-QTOFsplash10-0a4i-9000000000-ee4cf9d4c9e7dbf77e272021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - 8-Aminooctanoic acid 10V, Positive-QTOFsplash10-0006-3900000000-6613e0550fd0963aaf762021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - 8-Aminooctanoic acid 40V, Positive-QTOFsplash10-0a4i-9000000000-c60c84175aeafea902eb2021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - 8-Aminooctanoic acid 10V, Positive-QTOFsplash10-0006-2900000000-586090e31d693b0e70922021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - 8-Aminooctanoic acid 40V, Negative-QTOFsplash10-000i-9000000000-83dd32c73852414a93f22021-09-20HMDB team, MONAView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 8-Aminooctanoic acid 10V, Positive-QTOFsplash10-000y-9400000000-21e53cf45bae1e85e3f52021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 8-Aminooctanoic acid 20V, Positive-QTOFsplash10-0avi-9100000000-cce8c5de7d692bbe145a2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 8-Aminooctanoic acid 40V, Positive-QTOFsplash10-0a4l-9000000000-cff2f93e3802a25935732021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 8-Aminooctanoic acid 10V, Negative-QTOFsplash10-0a4i-0900000000-522436a38fcbc4e97b892021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 8-Aminooctanoic acid 20V, Negative-QTOFsplash10-0a4i-0900000000-ea852663e056f6d095332021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 8-Aminooctanoic acid 40V, Negative-QTOFsplash10-0007-9100000000-0657305851b4c9f00b3d2021-10-12Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-10-13Wishart 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 IDC00052776
Chemspider ID59474
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound66085
PDB IDNot Available
ChEBI ID143265
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 ]