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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 14:46:47 UTC
Update Date2021-09-26 23:09:49 UTC
HMDB IDHMDB0255201
Secondary Accession NumbersNone
Metabolite Identification
Common NameN-Nitrosocimetidine
DescriptionN-Nitrosocimetidine belongs to the class of organic compounds known as imidazoles. Imidazoles are compounds containing an imidazole ring, which is an aromatic five-member ring with two nitrogen atoms at positions 1 and 3, and three carbon atoms. Based on a literature review a significant number of articles have been published on N-Nitrosocimetidine. This compound has been identified in human blood as reported by (PMID: 31557052 ). N-nitrosocimetidine is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically N-Nitrosocimetidine 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
NitrosocimetidineHMDB
Chemical FormulaC10H15N7OS
Average Molecular Weight281.34
Monoisotopic Molecular Weight281.105879305
IUPAC NameN-cyano-N'-methyl-N''-(2-{[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl}ethyl)-N'-nitrosoguanidine
Traditional NameN-cyano-N'-methyl-N''-(2-{[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl}ethyl)-N'-nitrosoguanidine
CAS Registry NumberNot Available
SMILES
CN(N=O)C(NC#N)=NCCSCC1=C(C)NC=N1
InChI Identifier
InChI=1S/C10H15N7OS/c1-8-9(15-7-14-8)5-19-4-3-12-10(13-6-11)17(2)16-18/h7H,3-5H2,1-2H3,(H,12,13)(H,14,15)
InChI KeyLFTUYYPQNCJQGN-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as imidazoles. Imidazoles are compounds containing an imidazole ring, which is an aromatic five-member ring with two nitrogen atoms at positions 1 and 3, and three carbon atoms.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassAzoles
Sub ClassImidazoles
Direct ParentImidazoles
Alternative Parents
Substituents
  • Imidazole
  • Heteroaromatic compound
  • Organic n-nitroso compound
  • Guanidine
  • Organic nitroso compound
  • Thioether
  • Carboximidamide
  • Sulfenyl compound
  • Propargyl-type 1,3-dipolar organic compound
  • Organic 1,3-dipolar compound
  • Dialkylthioether
  • Azacycle
  • Organosulfur compound
  • Organic nitrogen compound
  • Organonitrogen compound
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organopnictogen 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
logP1.08ALOGPS
logP0.39ChemAxon
logS-2.5ALOGPS
pKa (Strongest Acidic)13.38ChemAxon
pKa (Strongest Basic)6.91ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area109.53 ŲChemAxon
Rotatable Bond Count6ChemAxon
Refractivity75.67 m³·mol⁻¹ChemAxon
Polarizability28.99 ųChemAxon
Number of Rings1ChemAxon
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]+155.57130932474
DeepCCS[M-H]-153.21330932474
DeepCCS[M-2H]-186.46430932474
DeepCCS[M+Na]+161.66430932474
AllCCS[M+H]+161.932859911
AllCCS[M+H-H2O]+158.832859911
AllCCS[M+NH4]+164.832859911
AllCCS[M+Na]+165.632859911
AllCCS[M-H]-163.232859911
AllCCS[M+Na-2H]-163.632859911
AllCCS[M+HCOO]-164.032859911

Predicted Retention Times

Underivatized

Chromatographic MethodRetention TimeReference
Predicted by Siyang on May 30, 20229.6939 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20224.44 minutes32390414
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid511.2 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid246.2 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid70.0 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid166.0 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid46.1 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid290.6 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 Acid316.0 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)742.9 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid630.9 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid79.0 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid888.4 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid181.6 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid188.1 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate583.4 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA447.0 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water215.1 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
N-NitrosocimetidineCN(N=O)C(NC#N)=NCCSCC1=C(C)NC=N13016.5Standard polar33892256
N-NitrosocimetidineCN(N=O)C(NC#N)=NCCSCC1=C(C)NC=N12281.1Standard non polar33892256
N-NitrosocimetidineCN(N=O)C(NC#N)=NCCSCC1=C(C)NC=N13044.2Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
N-Nitrosocimetidine,1TMS,isomer #1CC1=C(CSCCN=C(N(C)N=O)N(C#N)[Si](C)(C)C)N=C[NH]12787.0Semi standard non polar33892256
N-Nitrosocimetidine,1TMS,isomer #1CC1=C(CSCCN=C(N(C)N=O)N(C#N)[Si](C)(C)C)N=C[NH]12327.6Standard non polar33892256
N-Nitrosocimetidine,1TMS,isomer #1CC1=C(CSCCN=C(N(C)N=O)N(C#N)[Si](C)(C)C)N=C[NH]14513.1Standard polar33892256
N-Nitrosocimetidine,1TMS,isomer #2CC1=C(CSCCN=C(NC#N)N(C)N=O)N=CN1[Si](C)(C)C2903.7Semi standard non polar33892256
N-Nitrosocimetidine,1TMS,isomer #2CC1=C(CSCCN=C(NC#N)N(C)N=O)N=CN1[Si](C)(C)C2320.9Standard non polar33892256
N-Nitrosocimetidine,1TMS,isomer #2CC1=C(CSCCN=C(NC#N)N(C)N=O)N=CN1[Si](C)(C)C4944.2Standard polar33892256
N-Nitrosocimetidine,2TMS,isomer #1CC1=C(CSCCN=C(N(C)N=O)N(C#N)[Si](C)(C)C)N=CN1[Si](C)(C)C2761.0Semi standard non polar33892256
N-Nitrosocimetidine,2TMS,isomer #1CC1=C(CSCCN=C(N(C)N=O)N(C#N)[Si](C)(C)C)N=CN1[Si](C)(C)C2416.2Standard non polar33892256
N-Nitrosocimetidine,2TMS,isomer #1CC1=C(CSCCN=C(N(C)N=O)N(C#N)[Si](C)(C)C)N=CN1[Si](C)(C)C4385.1Standard polar33892256
N-Nitrosocimetidine,1TBDMS,isomer #1CC1=C(CSCCN=C(N(C)N=O)N(C#N)[Si](C)(C)C(C)(C)C)N=C[NH]12960.0Semi standard non polar33892256
N-Nitrosocimetidine,1TBDMS,isomer #1CC1=C(CSCCN=C(N(C)N=O)N(C#N)[Si](C)(C)C(C)(C)C)N=C[NH]12506.0Standard non polar33892256
N-Nitrosocimetidine,1TBDMS,isomer #1CC1=C(CSCCN=C(N(C)N=O)N(C#N)[Si](C)(C)C(C)(C)C)N=C[NH]14474.7Standard polar33892256
N-Nitrosocimetidine,1TBDMS,isomer #2CC1=C(CSCCN=C(NC#N)N(C)N=O)N=CN1[Si](C)(C)C(C)(C)C3088.1Semi standard non polar33892256
N-Nitrosocimetidine,1TBDMS,isomer #2CC1=C(CSCCN=C(NC#N)N(C)N=O)N=CN1[Si](C)(C)C(C)(C)C2501.7Standard non polar33892256
N-Nitrosocimetidine,1TBDMS,isomer #2CC1=C(CSCCN=C(NC#N)N(C)N=O)N=CN1[Si](C)(C)C(C)(C)C4948.7Standard polar33892256
N-Nitrosocimetidine,2TBDMS,isomer #1CC1=C(CSCCN=C(N(C)N=O)N(C#N)[Si](C)(C)C(C)(C)C)N=CN1[Si](C)(C)C(C)(C)C3098.4Semi standard non polar33892256
N-Nitrosocimetidine,2TBDMS,isomer #1CC1=C(CSCCN=C(N(C)N=O)N(C#N)[Si](C)(C)C(C)(C)C)N=CN1[Si](C)(C)C(C)(C)C2750.7Standard non polar33892256
N-Nitrosocimetidine,2TBDMS,isomer #1CC1=C(CSCCN=C(N(C)N=O)N(C#N)[Si](C)(C)C(C)(C)C)N=CN1[Si](C)(C)C(C)(C)C4331.2Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - N-Nitrosocimetidine GC-MS (Non-derivatized) - 70eV, Positivesplash10-0005-9310000000-86557702bc2b8dedfc3b2021-09-24Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - N-Nitrosocimetidine GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart 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 ID47424
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound52445
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 ]