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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 09:50:35 UTC
Update Date2021-09-26 23:04:33 UTC
HMDB IDHMDB0252140
Secondary Accession NumbersNone
Metabolite Identification
Common NameExametazime
DescriptionExametazime belongs to the class of organic compounds known as ketoximes. These are organic compounds with the general formula RC(R')=NOH (R,R' = organyl). Based on a literature review very few articles have been published on Exametazime. This compound has been identified in human blood as reported by (PMID: 31557052 ). Exametazime is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Exametazime 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 FormulaC13H28N4O2
Average Molecular Weight272.393
Monoisotopic Molecular Weight272.221226158
IUPAC NameN-{3-[(3-{[3-(hydroxyimino)butan-2-yl]amino}-2,2-dimethylpropyl)amino]butan-2-ylidene}hydroxylamine
Traditional NameN-{3-[(3-{[3-(hydroxyimino)butan-2-yl]amino}-2,2-dimethylpropyl)amino]butan-2-ylidene}hydroxylamine
CAS Registry NumberNot Available
SMILES
CC(NCC(C)(C)CNC(C)C(C)=NO)C(C)=NO
InChI Identifier
InChI=1S/C13H28N4O2/c1-9(11(3)16-18)14-7-13(5,6)8-15-10(2)12(4)17-19/h9-10,14-15,18-19H,7-8H2,1-6H3
InChI KeyBPNZYADGDZPRTK-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as ketoximes. These are organic compounds with the general formula RC(R')=NOH (R,R' = organyl).
KingdomOrganic compounds
Super ClassOrganic nitrogen compounds
ClassOrganonitrogen compounds
Sub ClassOximes
Direct ParentKetoximes
Alternative Parents
Substituents
  • Ketoxime
  • Secondary amine
  • Secondary aliphatic amine
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Amine
  • 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
logP0.59ALOGPS
logP0.93ChemAxon
logS-3ALOGPS
pKa (Strongest Acidic)9.68ChemAxon
pKa (Strongest Basic)8.48ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area89.24 ŲChemAxon
Rotatable Bond Count8ChemAxon
Refractivity76.95 m³·mol⁻¹ChemAxon
Polarizability30.99 ųChemAxon
Number of Rings0ChemAxon
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]+164.6530932474
DeepCCS[M-H]-162.29330932474
DeepCCS[M-2H]-195.17930932474
DeepCCS[M+Na]+170.74430932474

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
ExametazimeCC(NCC(C)(C)CNC(C)C(C)=NO)C(C)=NO2105.1Standard polar33892256
ExametazimeCC(NCC(C)(C)CNC(C)C(C)=NO)C(C)=NO1993.4Standard non polar33892256
ExametazimeCC(NCC(C)(C)CNC(C)C(C)=NO)C(C)=NO2184.8Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Exametazime,1TMS,isomer #1CC(=NO)C(C)NCC(C)(C)CN(C(C)C(C)=NO)[Si](C)(C)C2136.9Semi standard non polar33892256
Exametazime,1TMS,isomer #1CC(=NO)C(C)NCC(C)(C)CN(C(C)C(C)=NO)[Si](C)(C)C2016.1Standard non polar33892256
Exametazime,1TMS,isomer #1CC(=NO)C(C)NCC(C)(C)CN(C(C)C(C)=NO)[Si](C)(C)C3227.7Standard polar33892256
Exametazime,2TMS,isomer #1CC(=NO)C(C)N(CC(C)(C)CN(C(C)C(C)=NO)[Si](C)(C)C)[Si](C)(C)C2233.1Semi standard non polar33892256
Exametazime,2TMS,isomer #1CC(=NO)C(C)N(CC(C)(C)CN(C(C)C(C)=NO)[Si](C)(C)C)[Si](C)(C)C2167.6Standard non polar33892256
Exametazime,2TMS,isomer #1CC(=NO)C(C)N(CC(C)(C)CN(C(C)C(C)=NO)[Si](C)(C)C)[Si](C)(C)C2941.4Standard polar33892256
Exametazime,1TBDMS,isomer #1CC(=NO)C(C)NCC(C)(C)CN(C(C)C(C)=NO)[Si](C)(C)C(C)(C)C2340.0Semi standard non polar33892256
Exametazime,1TBDMS,isomer #1CC(=NO)C(C)NCC(C)(C)CN(C(C)C(C)=NO)[Si](C)(C)C(C)(C)C2228.2Standard non polar33892256
Exametazime,1TBDMS,isomer #1CC(=NO)C(C)NCC(C)(C)CN(C(C)C(C)=NO)[Si](C)(C)C(C)(C)C3241.2Standard polar33892256
Exametazime,2TBDMS,isomer #1CC(=NO)C(C)N(CC(C)(C)CN(C(C)C(C)=NO)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2655.8Semi standard non polar33892256
Exametazime,2TBDMS,isomer #1CC(=NO)C(C)N(CC(C)(C)CN(C(C)C(C)=NO)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2561.5Standard non polar33892256
Exametazime,2TBDMS,isomer #1CC(=NO)C(C)N(CC(C)(C)CN(C(C)C(C)=NO)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C3041.0Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Exametazime GC-MS (Non-derivatized) - 70eV, Positivesplash10-0a4i-8960000000-995dfb53f902325ceb072021-09-24Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Exametazime GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Exametazime 10V, Positive-QTOFsplash10-00di-0090000000-345a2db292b2821731b92021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Exametazime 20V, Positive-QTOFsplash10-00dl-2970000000-af27d9e32c3a4489a68c2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Exametazime 40V, Positive-QTOFsplash10-0229-6900000000-a12253ac1aee65143c002021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Exametazime 10V, Negative-QTOFsplash10-00di-0090000000-5a7158fcc95e7acc713d2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Exametazime 20V, Negative-QTOFsplash10-0f89-9510000000-4c08e76f5d0a5d2628182021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Exametazime 40V, Negative-QTOFsplash10-0a4i-4910000000-1f835231ba8d1a1da4f42021-10-12Wishart 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 ID28681667
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkTechnetium (99mTc) exametazime
METLIN IDNot Available
PubChem Compound71341166
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 ]