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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 00:01:09 UTC
Update Date2021-09-26 22:56:26 UTC
HMDB IDHMDB0247000
Secondary Accession NumbersNone
Metabolite Identification
Common NameDesacetylcephalothin
DescriptionDesacetylcephalothin belongs to the class of organic compounds known as cephalosporins. Cephalosporins are compounds containing a 1,2-thiazine fused to a 2-azetidinone to for a oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid moiety or a derivative thereof. Based on a literature review very few articles have been published on Desacetylcephalothin. This compound has been identified in human blood as reported by (PMID: 31557052 ). Desacetylcephalothin is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Desacetylcephalothin 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 FormulaC14H14N2O5S2
Average Molecular Weight354.4
Monoisotopic Molecular Weight354.034413907
IUPAC Name3-(hydroxymethyl)-8-oxo-7-[2-(thiophen-2-yl)acetamido]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Traditional Name3-(hydroxymethyl)-8-oxo-7-[2-(thiophen-2-yl)acetamido]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS Registry NumberNot Available
SMILES
OCC1=C(N2C(SC1)C(NC(=O)CC1=CC=CS1)C2=O)C(O)=O
InChI Identifier
InChI=1S/C14H14N2O5S2/c17-5-7-6-23-13-10(12(19)16(13)11(7)14(20)21)15-9(18)4-8-2-1-3-22-8/h1-3,10,13,17H,4-6H2,(H,15,18)(H,20,21)
InChI KeyHTBAVMIGXROYPQ-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as cephalosporins. Cephalosporins are compounds containing a 1,2-thiazine fused to a 2-azetidinone to for a oxo-5-thia-1-azabicyclo[4.2.0]Oct-2-ene-2-carboxylic acid moiety or a derivative thereof.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassLactams
Sub ClassBeta lactams
Direct ParentCephalosporins
Alternative Parents
Substituents
  • Cephalosporin
  • N-acyl-alpha amino acid or derivatives
  • Alpha-amino acid or derivatives
  • Meta-thiazine
  • Heteroaromatic compound
  • Thiophene
  • Tertiary carboxylic acid amide
  • Azetidine
  • Carboxamide group
  • Secondary carboxylic acid amide
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Azacycle
  • Dialkylthioether
  • Hemithioaminal
  • Thioether
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Alcohol
  • Organic nitrogen compound
  • Organonitrogen compound
  • Organooxygen compound
  • Primary alcohol
  • Organopnictogen compound
  • Carbonyl group
  • Organic oxide
  • 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
logP-0.28ALOGPS
logP-0.42ChemAxon
logS-3.4ALOGPS
pKa (Strongest Acidic)3.64ChemAxon
pKa (Strongest Basic)-2.8ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area106.94 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity84.64 m³·mol⁻¹ChemAxon
Polarizability34.31 ųChemAxon
Number of Rings3ChemAxon
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]+173.70730932474
DeepCCS[M-H]-171.34930932474
DeepCCS[M-2H]-204.23530932474
DeepCCS[M+Na]+179.830932474
AllCCS[M+H]+175.532859911
AllCCS[M+H-H2O]+172.832859911
AllCCS[M+NH4]+178.032859911
AllCCS[M+Na]+178.732859911
AllCCS[M-H]-172.132859911
AllCCS[M+Na-2H]-171.932859911
AllCCS[M+HCOO]-171.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
DesacetylcephalothinOCC1=C(N2C(SC1)C(NC(=O)CC1=CC=CS1)C2=O)C(O)=O4813.0Standard polar33892256
DesacetylcephalothinOCC1=C(N2C(SC1)C(NC(=O)CC1=CC=CS1)C2=O)C(O)=O2493.5Standard non polar33892256
DesacetylcephalothinOCC1=C(N2C(SC1)C(NC(=O)CC1=CC=CS1)C2=O)C(O)=O3173.9Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Desacetylcephalothin,3TMS,isomer #1C[Si](C)(C)OCC1=C(C(=O)O[Si](C)(C)C)N2C(=O)C(N(C(=O)CC3=CC=CS3)[Si](C)(C)C)C2SC12955.5Semi standard non polar33892256
Desacetylcephalothin,3TMS,isomer #1C[Si](C)(C)OCC1=C(C(=O)O[Si](C)(C)C)N2C(=O)C(N(C(=O)CC3=CC=CS3)[Si](C)(C)C)C2SC12909.2Standard non polar33892256
Desacetylcephalothin,3TMS,isomer #1C[Si](C)(C)OCC1=C(C(=O)O[Si](C)(C)C)N2C(=O)C(N(C(=O)CC3=CC=CS3)[Si](C)(C)C)C2SC13935.0Standard polar33892256
Desacetylcephalothin,3TBDMS,isomer #1CC(C)(C)[Si](C)(C)OCC1=C(C(=O)O[Si](C)(C)C(C)(C)C)N2C(=O)C(N(C(=O)CC3=CC=CS3)[Si](C)(C)C(C)(C)C)C2SC13529.8Semi standard non polar33892256
Desacetylcephalothin,3TBDMS,isomer #1CC(C)(C)[Si](C)(C)OCC1=C(C(=O)O[Si](C)(C)C(C)(C)C)N2C(=O)C(N(C(=O)CC3=CC=CS3)[Si](C)(C)C(C)(C)C)C2SC13500.8Standard non polar33892256
Desacetylcephalothin,3TBDMS,isomer #1CC(C)(C)[Si](C)(C)OCC1=C(C(=O)O[Si](C)(C)C(C)(C)C)N2C(=O)C(N(C(=O)CC3=CC=CS3)[Si](C)(C)C(C)(C)C)C2SC14032.7Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (Non-derivatized) - 70eV, Positivesplash10-0002-9313000000-2c835859e1d7ede5e0522021-09-24Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (TMS_1_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (TMS_1_3) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (TMS_2_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (TMS_2_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (TMS_2_3) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (TBDMS_1_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (TBDMS_1_3) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (TBDMS_2_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (TBDMS_2_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Desacetylcephalothin GC-MS (TBDMS_2_3) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Desacetylcephalothin 10V, Positive-QTOFsplash10-0a4i-0019000000-9c5c8bffdc2ef97c689b2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Desacetylcephalothin 20V, Positive-QTOFsplash10-0bu0-1598000000-c45bea69572c7665048b2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Desacetylcephalothin 40V, Positive-QTOFsplash10-0k92-3921000000-c50a0625934cf3ad56ac2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Desacetylcephalothin 10V, Negative-QTOFsplash10-0ge9-0219000000-8d1d5cfccc3797d34eb72021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Desacetylcephalothin 20V, Negative-QTOFsplash10-0ktu-2259000000-85518620a516db9952392021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Desacetylcephalothin 40V, Negative-QTOFsplash10-000w-9412000000-7bc9f18fd23c990a9d7c2021-10-12Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-10-13Wishart LabView Spectrum
Predicted 1D NMR1H 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 NMR13C NMR Spectrum (1D, 200 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, 300 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 NMR1H NMR Spectrum (1D, 400 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, 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 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 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 NMR1H NMR Spectrum (1D, 800 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 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 ID10442744
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound12767986
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 ]