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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 16:25:37 UTC
Update Date2021-09-26 23:11:35 UTC
HMDB IDHMDB0256126
Secondary Accession NumbersNone
Metabolite Identification
Common NameParbendazole
DescriptionN-(6-butyl-1H-1,3-benzodiazol-2-yl)methoxycarboximidic acid belongs to the class of organic compounds known as 2-benzimidazolylcarbamic acid esters. These are aromatic heteropolycyclic compounds that contain a carbamic acid ester group, which is N-linked to the C2-atom of a benzimidazole moiety. Based on a literature review very few articles have been published on N-(6-butyl-1H-1,3-benzodiazol-2-yl)methoxycarboximidic acid. This compound has been identified in human blood as reported by (PMID: 31557052 ). Parbendazole is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Parbendazole 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
N-(6-Butyl-1H-1,3-benzodiazol-2-yl)methoxycarboximidateGenerator
TCMDC-131798ParbendazoleChEMBL
Methyl 5-butyl-2-benzimidazolecarbamateMeSH
HelmatacMeSH
Parbendazole, 2-(14)C-labeled CPD di-HCLMeSH
Chemical FormulaC13H17N3O2
Average Molecular Weight247.298
Monoisotopic Molecular Weight247.132076799
IUPAC NameN-(6-butyl-1H-1,3-benzodiazol-2-yl)methoxycarboximidic acid
Traditional Nameparbendazole
CAS Registry NumberNot Available
SMILES
CCCCC1=CC2=C(C=C1)N=C(N2)N=C(O)OC
InChI Identifier
InChI=1S/C13H17N3O2/c1-3-4-5-9-6-7-10-11(8-9)15-12(14-10)16-13(17)18-2/h6-8H,3-5H2,1-2H3,(H2,14,15,16,17)
InChI KeyYRWLZFXJFBZBEY-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 2-benzimidazolylcarbamic acid esters. These are aromatic heteropolycyclic compounds that contain a carbamic acid ester group, which is N-linked to the C2-atom of a benzimidazole moiety.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassBenzimidazoles
Sub Class2-benzimidazolylcarbamic acid esters
Direct Parent2-benzimidazolylcarbamic acid esters
Alternative Parents
Substituents
  • 2-benzimidazolylcarbamic acid ester
  • Benzenoid
  • Azole
  • Imidazole
  • Carbamic acid ester
  • Heteroaromatic compound
  • Carbonic acid derivative
  • Azacycle
  • Organic oxide
  • Organopnictogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxygen compound
  • Carbonyl group
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • 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
logP3.08ALOGPS
logP4.12ChemAxon
logS-3.5ALOGPS
pKa (Strongest Acidic)3.71ChemAxon
pKa (Strongest Basic)2.39ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area70.5 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity70.8 m³·mol⁻¹ChemAxon
Polarizability27.82 ųChemAxon
Number of Rings2ChemAxon
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]+163.7430932474
DeepCCS[M-H]-161.38230932474
DeepCCS[M-2H]-194.26830932474
DeepCCS[M+Na]+169.83430932474
AllCCS[M+H]+158.332859911
AllCCS[M+H-H2O]+154.732859911
AllCCS[M+NH4]+161.832859911
AllCCS[M+Na]+162.732859911
AllCCS[M-H]-162.632859911
AllCCS[M+Na-2H]-162.832859911
AllCCS[M+HCOO]-163.132859911

Predicted Retention Times

Underivatized

Chromatographic MethodRetention TimeReference
Predicted by Siyang on May 30, 202212.7481 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20221.63 minutes32390414
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid2290.3 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid302.6 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid150.3 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid189.3 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid107.9 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid672.4 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 Acid478.4 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)102.7 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid1062.7 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid438.2 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid1323.5 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid303.9 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid311.0 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate360.0 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA234.3 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water62.3 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
ParbendazoleCCCCC1=CC2=C(C=C1)N=C(N2)N=C(O)OC3123.8Standard polar33892256
ParbendazoleCCCCC1=CC2=C(C=C1)N=C(N2)N=C(O)OC2135.0Standard non polar33892256
ParbendazoleCCCCC1=CC2=C(C=C1)N=C(N2)N=C(O)OC2453.2Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Parbendazole,2TMS,isomer #1CCCCC1=CC=C2N=C(N=C(OC)O[Si](C)(C)C)N([Si](C)(C)C)C2=C12285.0Semi standard non polar33892256
Parbendazole,2TMS,isomer #1CCCCC1=CC=C2N=C(N=C(OC)O[Si](C)(C)C)N([Si](C)(C)C)C2=C12228.0Standard non polar33892256
Parbendazole,2TMS,isomer #1CCCCC1=CC=C2N=C(N=C(OC)O[Si](C)(C)C)N([Si](C)(C)C)C2=C12888.8Standard polar33892256
Parbendazole,2TBDMS,isomer #1CCCCC1=CC=C2N=C(N=C(OC)O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C2=C12641.5Semi standard non polar33892256
Parbendazole,2TBDMS,isomer #1CCCCC1=CC=C2N=C(N=C(OC)O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C2=C12612.6Standard non polar33892256
Parbendazole,2TBDMS,isomer #1CCCCC1=CC=C2N=C(N=C(OC)O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C2=C12995.2Standard polar33892256
Spectra
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 ID24775
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 ]