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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-10 23:49:58 UTC
Update Date2021-09-26 22:56:08 UTC
HMDB IDHMDB0246819
Secondary Accession NumbersNone
Metabolite Identification
Common Name5-Mercapto-1-methyltetrazole
Description1-methyl-1H-1,2,3,4-tetrazole-5-thiol belongs to the class of organic compounds known as tetrazoles. These are organic compounds containing a tetrazole ring, which is a five-member aromatic heterocycle made up of four nitrogen atoms and a one carbon atom. Based on a literature review very few articles have been published on 1-methyl-1H-1,2,3,4-tetrazole-5-thiol. This compound has been identified in human blood as reported by (PMID: 31557052 ). 5-mercapto-1-methyltetrazole is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 5-Mercapto-1-methyltetrazole 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
1-Methyl-5-thio-tetrazoleMeSH
1-Methyltetrazole-5-thiolMeSH
N-Methyl-thio-tetrazoleMeSH
N-MethyltetrazolethiolMeSH
N-MethylthiotetrazoleMeSH
1-N-Methyl-5-thiotetrazoleMeSH
1-Methyl-5-mercaptotetrazoleMeSH
1-N-Methyl-5-thiotetrazole sodiumMeSH
5-mercapto-N-MethyltetrazoleMeSH
Chemical FormulaC2H4N4S
Average Molecular Weight116.14
Monoisotopic Molecular Weight116.015667319
IUPAC Name1-methyl-1H-1,2,3,4-tetrazole-5-thiol
Traditional Name1-N-methyl-5-thiotetrazole
CAS Registry NumberNot Available
SMILES
CN1N=NN=C1S
InChI Identifier
InChI=1S/C2H4N4S/c1-6-2(7)3-4-5-6/h1H3,(H,3,5,7)
InChI KeyXOHZHMUQBFJTNH-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as tetrazoles. These are organic compounds containing a tetrazole ring, which is a five-member aromatic heterocycle made up of four nitrogen atoms and a one carbon atom.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassAzoles
Sub ClassTetrazoles
Direct ParentTetrazoles
Alternative Parents
Substituents
  • Heteroaromatic compound
  • Tetrazole
  • Azacycle
  • Organic nitrogen compound
  • Organopnictogen compound
  • Hydrocarbon derivative
  • Organosulfur compound
  • Organonitrogen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic 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-0.05ALOGPS
logP0.13ChemAxon
logS-1.8ALOGPS
pKa (Strongest Acidic)7.05ChemAxon
pKa (Strongest Basic)-1.4ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area43.6 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity41.02 m³·mol⁻¹ChemAxon
Polarizability10.2 ųChemAxon
Number of Rings1ChemAxon
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]+118.23930932474
DeepCCS[M-H]-116.34430932474
DeepCCS[M-2H]-151.78130932474
DeepCCS[M+Na]+126.25330932474
AllCCS[M+H]+127.032859911
AllCCS[M+H-H2O]+122.232859911
AllCCS[M+NH4]+131.432859911
AllCCS[M+Na]+132.732859911
AllCCS[M-H]-119.532859911
AllCCS[M+Na-2H]-122.832859911
AllCCS[M+HCOO]-126.532859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
5-Mercapto-1-methyltetrazoleCN1N=NN=C1S2298.7Standard polar33892256
5-Mercapto-1-methyltetrazoleCN1N=NN=C1S1518.4Standard non polar33892256
5-Mercapto-1-methyltetrazoleCN1N=NN=C1S1544.6Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
5-Mercapto-1-methyltetrazole,1TMS,isomer #1CN1N=NN=C1S[Si](C)(C)C1486.3Semi standard non polar33892256
5-Mercapto-1-methyltetrazole,1TMS,isomer #1CN1N=NN=C1S[Si](C)(C)C1332.9Standard non polar33892256
5-Mercapto-1-methyltetrazole,1TMS,isomer #1CN1N=NN=C1S[Si](C)(C)C2049.2Standard polar33892256
5-Mercapto-1-methyltetrazole,1TBDMS,isomer #1CN1N=NN=C1S[Si](C)(C)C(C)(C)C1813.7Semi standard non polar33892256
5-Mercapto-1-methyltetrazole,1TBDMS,isomer #1CN1N=NN=C1S[Si](C)(C)C(C)(C)C1605.4Standard non polar33892256
5-Mercapto-1-methyltetrazole,1TBDMS,isomer #1CN1N=NN=C1S[Si](C)(C)C(C)(C)C2201.7Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 5-Mercapto-1-methyltetrazole GC-MS (Non-derivatized) - 70eV, Positivesplash10-0693-9200000000-3870d7707866b160646b2021-09-24Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5-Mercapto-1-methyltetrazole 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 - 5-Mercapto-1-methyltetrazole 10V, Positive-QTOFsplash10-066r-9800000000-2e42ac4783be42dd838c2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Mercapto-1-methyltetrazole 20V, Positive-QTOFsplash10-014i-1900000000-762165364e42a84e7e772016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Mercapto-1-methyltetrazole 40V, Positive-QTOFsplash10-0a4i-9000000000-a6dc89a9f7279154eb9f2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Mercapto-1-methyltetrazole 10V, Negative-QTOFsplash10-014i-1900000000-b9d080e07b3ce5443daf2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Mercapto-1-methyltetrazole 20V, Negative-QTOFsplash10-0a4i-9300000000-2a68bd4e294705758d1c2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Mercapto-1-methyltetrazole 40V, Negative-QTOFsplash10-0a4i-9000000000-79657c2b6cfcdd8a62642016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Mercapto-1-methyltetrazole 10V, Positive-QTOFsplash10-014i-1900000000-8875007d9e3e2a2ee38c2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Mercapto-1-methyltetrazole 20V, Positive-QTOFsplash10-00di-9100000000-1b10d3c9fbb1fbaa78fc2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Mercapto-1-methyltetrazole 40V, Positive-QTOFsplash10-05fr-9000000000-c9621a6266bc7c5208622021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Mercapto-1-methyltetrazole 10V, Negative-QTOFsplash10-0aor-9400000000-a3feea09533741e0cd342021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Mercapto-1-methyltetrazole 20V, Negative-QTOFsplash10-0ab9-9000000000-17fcf772125e17937ba32021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 5-Mercapto-1-methyltetrazole 40V, Negative-QTOFsplash10-0a4i-9000000000-286b63d3516de7d14a122021-10-12Wishart 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 NMR13C NMR Spectrum (1D, 500 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 NMR1H NMR Spectrum (1D, 600 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 NMR13C NMR Spectrum (1D, 700 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, 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 NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR1H 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 IDNot Available
Chemspider ID2005963
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem CompoundNot Available
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 ]