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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2017-08-01 01:39:28 UTC
Update Date2021-09-14 15:44:55 UTC
HMDB IDHMDB0094645
Secondary Accession Numbers
  • HMDB94645
Metabolite Identification
Common NameMono-(2-ethyl-5-oxohexyl) phthalate
DescriptionMono-(2-ethyl-5-oxohexyl) phthalate, also known as 2-{[(2-ethyl-5-oxohexyl)oxy]carbonyl}benzoic acid, mono(2-Ethyl-5-oxohexyl) phthalate or phthalate mono(2-ethyl-5-oxohexyl) ester, is classified as a member of the benzoic acid esters. Benzoic acid esters are ester derivatives of benzoic acid. Mono-(2-ethyl-5-oxohexyl) phthalate is considered to be practically insoluble (in water) and acidic. (ChemoSummarizer). Mono-(2-ethyl-5-oxohexyl) phthalate is a metabolite of mono(2-ethylhexyl) phthalate (MEHP) and a secondary metabolite of di(2-ethylhexyl) phthalate (DEHP).
Structure
Data?1563871213
Synonyms
ValueSource
1,2-Benzenedicarboxylic acid, mono(2-ethyl-5-oxohexyl) esterChEBI
mono(2-Ethyl-5-oxohexyl) 1,2-benzenedicarboxylateChEBI
Phthalic acid mono(2-ethyl-5-oxohexyl) esterChEBI
1,2-Benzenedicarboxylate, mono(2-ethyl-5-oxohexyl) esterGenerator
mono(2-Ethyl-5-oxohexyl) 1,2-benzenedicarboxylic acidGenerator
Phthalate mono(2-ethyl-5-oxohexyl) esterGenerator
mono(2-Ethyl-5-oxohexyl) phthalic acidGenerator
ME(O)HPMeSH, HMDB
MEOHP CPDMeSH, HMDB
mono(2-Ethyl-5-oxohexyl) phthalateMeSH, HMDB
mono(2-Ethyl-5-oxohexyl)phthalateMeSH, HMDB
mono-(2-Ethyl-5-oxohexyl) phthalic acidGenerator
Chemical FormulaC16H20O5
Average Molecular Weight292.331
Monoisotopic Molecular Weight292.131073744
IUPAC Name2-{[(2-ethyl-5-oxohexyl)oxy]carbonyl}benzoic acid
Traditional Name2-{[(2-ethyl-5-oxohexyl)oxy]carbonyl}benzoic acid
CAS Registry NumberNot Available
SMILES
CCC(CCC(C)=O)COC(=O)C1=CC=CC=C1C(O)=O
InChI Identifier
InChI=1S/C16H20O5/c1-3-12(9-8-11(2)17)10-21-16(20)14-7-5-4-6-13(14)15(18)19/h4-7,12H,3,8-10H2,1-2H3,(H,18,19)
InChI KeyHCWNFKHKKHNSSL-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as benzoic acid esters. These are ester derivatives of benzoic acid.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassBenzoic acids and derivatives
Direct ParentBenzoic acid esters
Alternative Parents
Substituents
  • Benzoate ester
  • Benzoic acid
  • Benzoyl
  • Dicarboxylic acid or derivatives
  • Ketone
  • Carboxylic acid ester
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
Process
Role
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
logP2.67ALOGPS
logP3.22ChemAxon
logS-3.5ALOGPS
pKa (Strongest Acidic)3.08ChemAxon
pKa (Strongest Basic)-6.8ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area80.67 ŲChemAxon
Rotatable Bond Count9ChemAxon
Refractivity78.1 m³·mol⁻¹ChemAxon
Polarizability30.59 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
DarkChem[M+H]+169.42731661259
DarkChem[M-H]-167.27531661259
DeepCCS[M+H]+172.4730932474
DeepCCS[M-H]-170.11230932474
DeepCCS[M-2H]-202.99830932474
DeepCCS[M+Na]+178.56430932474
AllCCS[M+H]+169.132859911
AllCCS[M+H-H2O]+165.932859911
AllCCS[M+NH4]+172.032859911
AllCCS[M+Na]+172.832859911
AllCCS[M-H]-170.432859911
AllCCS[M+Na-2H]-170.732859911
AllCCS[M+HCOO]-171.232859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Mono-(2-ethyl-5-oxohexyl) phthalateCCC(CCC(C)=O)COC(=O)C1=CC=CC=C1C(O)=O3514.8Standard polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalateCCC(CCC(C)=O)COC(=O)C1=CC=CC=C1C(O)=O2045.7Standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalateCCC(CCC(C)=O)COC(=O)C1=CC=CC=C1C(O)=O2311.3Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Mono-(2-ethyl-5-oxohexyl) phthalate,1TMS,isomer #1CCC(CCC(C)=O)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C2292.5Semi standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,1TMS,isomer #2CCC(CC=C(C)O[Si](C)(C)C)COC(=O)C1=CC=CC=C1C(=O)O2422.9Semi standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,1TMS,isomer #3C=C(CCC(CC)COC(=O)C1=CC=CC=C1C(=O)O)O[Si](C)(C)C2373.6Semi standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,2TMS,isomer #1CCC(CC=C(C)O[Si](C)(C)C)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C2425.5Semi standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,2TMS,isomer #1CCC(CC=C(C)O[Si](C)(C)C)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C2333.4Standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,2TMS,isomer #1CCC(CC=C(C)O[Si](C)(C)C)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C2733.6Standard polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,2TMS,isomer #2C=C(CCC(CC)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C)O[Si](C)(C)C2401.0Semi standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,2TMS,isomer #2C=C(CCC(CC)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C)O[Si](C)(C)C2321.9Standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,2TMS,isomer #2C=C(CCC(CC)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C)O[Si](C)(C)C2739.4Standard polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,1TBDMS,isomer #1CCC(CCC(C)=O)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C(C)(C)C2510.6Semi standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,1TBDMS,isomer #2CCC(CC=C(C)O[Si](C)(C)C(C)(C)C)COC(=O)C1=CC=CC=C1C(=O)O2665.7Semi standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,1TBDMS,isomer #3C=C(CCC(CC)COC(=O)C1=CC=CC=C1C(=O)O)O[Si](C)(C)C(C)(C)C2602.7Semi standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,2TBDMS,isomer #1CCC(CC=C(C)O[Si](C)(C)C(C)(C)C)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C(C)(C)C2864.3Semi standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,2TBDMS,isomer #1CCC(CC=C(C)O[Si](C)(C)C(C)(C)C)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C(C)(C)C2711.9Standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,2TBDMS,isomer #1CCC(CC=C(C)O[Si](C)(C)C(C)(C)C)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C(C)(C)C2945.2Standard polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,2TBDMS,isomer #2C=C(CCC(CC)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2828.4Semi standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,2TBDMS,isomer #2C=C(CCC(CC)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2700.5Standard non polar33892256
Mono-(2-ethyl-5-oxohexyl) phthalate,2TBDMS,isomer #2C=C(CCC(CC)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C2966.9Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate GC-MS (Non-derivatized) - 70eV, Positivesplash10-0005-7910000000-af53d459793375ed98d52017-09-14Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate GC-MS (1 TMS) - 70eV, Positivesplash10-00dl-9271000000-87ee8d29dd11a2490d472017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate 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 - Mono-(2-ethyl-5-oxohexyl) phthalate 10V, Negative-QTOFsplash10-0006-0290000000-631438533aed2a462f472017-09-14Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate 20V, Negative-QTOFsplash10-06fv-3970000000-16c78b44ee2264bd7ed52017-09-14Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate 40V, Negative-QTOFsplash10-0axr-8900000000-63180ae264e91f89f29c2017-09-14Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate 10V, Positive-QTOFsplash10-004i-0490000000-435081065c35fc2df1b42017-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate 20V, Positive-QTOFsplash10-056s-3960000000-90a58c088519fb396abb2017-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate 40V, Positive-QTOFsplash10-0aor-9700000000-f7baeb01360dba9454c32017-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate 10V, Positive-QTOFsplash10-056v-0390000000-bb040cd2d4db334eac182021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate 20V, Positive-QTOFsplash10-052b-0930000000-4d8ff857f5c913ecec492021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate 40V, Positive-QTOFsplash10-05g1-3900000000-58a0f1466d182d682f1d2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate 10V, Negative-QTOFsplash10-0fdp-4940000000-abf03287938e19a25faf2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate 20V, Negative-QTOFsplash10-00fr-6930000000-5004426e41dde9671cd32021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-oxohexyl) phthalate 40V, Negative-QTOFsplash10-004i-9200000000-3fb0ca039f8904e6a48e2021-09-23Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
UrineDetected and Quantified0.00311 (0.00270-0.00357) umol/mmol creatinineAdult (>18 years old)Not SpecifiedNormal
    • National Health a...
details
UrineDetected and Quantified0.00491 (0.00441-0.00549) umol/mmol creatinineChildren (1-13 years old)Not SpecifiedNormal
    • National Health a...
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 Compound119096
PDB IDNot Available
ChEBI ID132606
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDMDB00029809
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Jukic AM, Calafat AM, McConnaughey DR, Longnecker MP, Hoppin JA, Weinberg CR, Wilcox AJ, Baird DD: Urinary Concentrations of Phthalate Metabolites and Bisphenol A and Associations with Follicular-Phase Length, Luteal-Phase Length, Fecundability, and Early Pregnancy Loss. Environ Health Perspect. 2016 Mar;124(3):321-8. doi: 10.1289/ehp.1408164. Epub 2015 Jul 10. [PubMed:26161573 ]
  2. Hauser R, Gaskins AJ, Souter I, Smith KW, Dodge LE, Ehrlich S, Meeker JD, Calafat AM, Williams PL: Urinary Phthalate Metabolite Concentrations and Reproductive Outcomes among Women Undergoing in Vitro Fertilization: Results from the EARTH Study. Environ Health Perspect. 2016 Jun;124(6):831-9. doi: 10.1289/ehp.1509760. Epub 2015 Nov 6. [PubMed:26545148 ]
  3. Wang YX, Zeng Q, Sun Y, Yang P, Wang P, Li J, Huang Z, You L, Huang YH, Wang C, Li YF, Lu WQ: Semen phthalate metabolites, semen quality parameters and serum reproductive hormones: A cross-sectional study in China. Environ Pollut. 2016 Apr;211:173-82. doi: 10.1016/j.envpol.2015.12.052. Epub 2016 Jan 14. [PubMed:26766535 ]
  4. Alves A, Vanermen G, Covaci A, Voorspoels S: Ultrasound assisted extraction combined with dispersive liquid-liquid microextraction (US-DLLME)-a fast new approach to measure phthalate metabolites in nails. Anal Bioanal Chem. 2016 Sep;408(22):6169-80. doi: 10.1007/s00216-016-9727-1. Epub 2016 Jul 2. [PubMed:27372718 ]
  5. Jo A, Kim H, Chung H, Chang N: Associations between Dietary Intake and Urinary Bisphenol A and Phthalates Levels in Korean Women of Reproductive Age. Int J Environ Res Public Health. 2016 Jul 5;13(7). pii: E680. doi: 10.3390/ijerph13070680. [PubMed:27399734 ]