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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 09:30:52 UTC
Update Date2021-09-26 23:04:09 UTC
HMDB IDHMDB0251873
Secondary Accession NumbersNone
Metabolite Identification
Common NameEpothilone A
DescriptionHMS3654L13 belongs to the class of organic compounds known as epothilones and analogues. These are macrolides consisting of a 16-member lactone ring conjugated at the carbon 16 with a 1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl group. Some epothilone analogues containing a lactam ring instead of the lactone ring. HMS3654L13 is a moderately basic compound (based on its pKa). This compound has been identified in human blood as reported by (PMID: 31557052 ). Epothilone a is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Epothilone A 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 FormulaC26H39NO6S
Average Molecular Weight493.66
Monoisotopic Molecular Weight493.249809154
IUPAC Name7,11-dihydroxy-8,8,10,12-tetramethyl-3-[1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl]-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione
Traditional Name7,11-dihydroxy-8,8,10,12-tetramethyl-3-[1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl]-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione
CAS Registry NumberNot Available
SMILES
CC1CCCC2OC2CC(OC(=O)CC(O)C(C)(C)C(=O)C(C)C1O)C(C)=CC1=CSC(C)=N1
InChI Identifier
InChI=1S/C26H39NO6S/c1-14-8-7-9-19-21(32-19)11-20(15(2)10-18-13-34-17(4)27-18)33-23(29)12-22(28)26(5,6)25(31)16(3)24(14)30/h10,13-14,16,19-22,24,28,30H,7-9,11-12H2,1-6H3
InChI KeyHESCAJZNRMSMJG-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as epothilones and analogues. These are macrolides consisting of a 16-member lactone ring conjugated at the carbon 16 with a 1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl group. Some epothilone analogues containing a lactam ring instead of the lactone ring.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassMacrolides and analogues
Sub ClassEpothilones and analogues
Direct ParentEpothilones and analogues
Alternative Parents
Substituents
  • Epothilone
  • 2,4-disubstituted 1,3-thiazole
  • Azole
  • Heteroaromatic compound
  • Thiazole
  • Carboxylic acid ester
  • Ketone
  • Lactone
  • Secondary alcohol
  • Cyclic ketone
  • Carboxylic acid derivative
  • Dialkyl ether
  • Oxirane
  • Ether
  • Oxacycle
  • Azacycle
  • Monocarboxylic acid or derivatives
  • Organoheterocyclic compound
  • Hydrocarbon derivative
  • Organic oxygen compound
  • Carbonyl group
  • Organic nitrogen compound
  • Organic oxide
  • Organonitrogen compound
  • Organooxygen compound
  • Alcohol
  • 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
logP3.28ALOGPS
logP3.84ChemAxon
logS-5ALOGPS
pKa (Strongest Acidic)14.09ChemAxon
pKa (Strongest Basic)2.73ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area109.25 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity130.12 m³·mol⁻¹ChemAxon
Polarizability53.63 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]+215.69430932474
DeepCCS[M-H]-213.33630932474
DeepCCS[M-2H]-246.46230932474
DeepCCS[M+Na]+221.78830932474
AllCCS[M+H]+219.932859911
AllCCS[M+H-H2O]+218.032859911
AllCCS[M+NH4]+221.732859911
AllCCS[M+Na]+222.232859911
AllCCS[M-H]-222.532859911
AllCCS[M+Na-2H]-225.032859911
AllCCS[M+HCOO]-227.932859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Epothilone ACC1CCCC2OC2CC(OC(=O)CC(O)C(C)(C)C(=O)C(C)C1O)C(C)=CC1=CSC(C)=N14098.6Standard polar33892256
Epothilone ACC1CCCC2OC2CC(OC(=O)CC(O)C(C)(C)C(=O)C(C)C1O)C(C)=CC1=CSC(C)=N13346.2Standard non polar33892256
Epothilone ACC1CCCC2OC2CC(OC(=O)CC(O)C(C)(C)C(=O)C(C)C1O)C(C)=CC1=CSC(C)=N13790.1Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Epothilone A,3TMS,isomer #1CC(=CC1=CSC(C)=N1)C1CC2OC2CCCC(C)C(O[Si](C)(C)C)C(C)=C(O[Si](C)(C)C)C(C)(C)C(O[Si](C)(C)C)CC(=O)O13778.4Semi standard non polar33892256
Epothilone A,3TMS,isomer #1CC(=CC1=CSC(C)=N1)C1CC2OC2CCCC(C)C(O[Si](C)(C)C)C(C)=C(O[Si](C)(C)C)C(C)(C)C(O[Si](C)(C)C)CC(=O)O13679.7Standard non polar33892256
Epothilone A,3TMS,isomer #1CC(=CC1=CSC(C)=N1)C1CC2OC2CCCC(C)C(O[Si](C)(C)C)C(C)=C(O[Si](C)(C)C)C(C)(C)C(O[Si](C)(C)C)CC(=O)O14162.4Standard polar33892256
Epothilone A,3TBDMS,isomer #1CC(=CC1=CSC(C)=N1)C1CC2OC2CCCC(C)C(O[Si](C)(C)C(C)(C)C)C(C)=C(O[Si](C)(C)C(C)(C)C)C(C)(C)C(O[Si](C)(C)C(C)(C)C)CC(=O)O14417.5Semi standard non polar33892256
Epothilone A,3TBDMS,isomer #1CC(=CC1=CSC(C)=N1)C1CC2OC2CCCC(C)C(O[Si](C)(C)C(C)(C)C)C(C)=C(O[Si](C)(C)C(C)(C)C)C(C)(C)C(O[Si](C)(C)C(C)(C)C)CC(=O)O14290.7Standard non polar33892256
Epothilone A,3TBDMS,isomer #1CC(=CC1=CSC(C)=N1)C1CC2OC2CCCC(C)C(O[Si](C)(C)C(C)(C)C)C(C)=C(O[Si](C)(C)C(C)(C)C)C(C)(C)C(O[Si](C)(C)C(C)(C)C)CC(=O)O14337.1Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (Non-derivatized) - 70eV, Positivesplash10-004r-1701900000-4cd67ce53d5a718714862021-09-24Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (TMS_1_2) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (TMS_1_3) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (TMS_2_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (TMS_2_2) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (TMS_2_3) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (TBDMS_1_2) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (TBDMS_1_3) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (TBDMS_2_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (TBDMS_2_2) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epothilone A GC-MS (TBDMS_2_3) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epothilone A 10V, Positive-QTOFsplash10-002f-0000900000-9af3adade17b6972f0b22021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epothilone A 20V, Positive-QTOFsplash10-0a4i-0000900000-413894c25841499bf3982021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epothilone A 40V, Positive-QTOFsplash10-0bvu-4807900000-7fac18aa303695fe77592021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epothilone A 10V, Negative-QTOFsplash10-0006-0000900000-01059924986a919e73a42021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epothilone A 20V, Negative-QTOFsplash10-0006-0000900000-a0d886fe0b99582422c02021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epothilone A 40V, Negative-QTOFsplash10-0079-9804500000-ac1229a19c61f53eb1062021-10-12Wishart 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 IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound73106690
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 ]