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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2017-08-01 02:12:04 UTC
Update Date2021-09-14 15:44:55 UTC
HMDB IDHMDB0094647
Secondary Accession Numbers
  • HMDB94647
Metabolite Identification
Common NameMono-(2-ethyl-5-carboxypentyl) phthalate
DescriptionMono-(2-ethyl-5-carboxypentyl) phthalate is also known as 2-ethyl-5-carboxypentyl phthalate, MECPP or phthalate, mono(5-carboxy-2-ethylpentyl) ester. It is classified as a member of the benzoic acid esters. Benzoic acid esters are ester derivatives of benzoic acid. Mono-(2-ethyl-5-carboxypentyl) phthalate is considered to be practically insoluble (in water) and acidic. (ChemoSummarizer). It 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(5-carboxy-2-ethylpentyl) esterChEBI
2-Ethyl-5-carboxypentyl phthalateChEBI
MECPPChEBI
Phthalic acid, mono(5-carboxy-2-ethylpentyl) esterChEBI
1,2-Benzenedicarboxylate, mono(5-carboxy-2-ethylpentyl) esterGenerator
2-Ethyl-5-carboxypentyl phthalic acidGenerator
Phthalate, mono(5-carboxy-2-ethylpentyl) esterGenerator
mono-(2-Ethyl-5-carboxypentyl) phthalic acidGenerator
mono(5-Carboxy-2-ethylpentyl) phthalic acidHMDB
Chemical FormulaC16H20O6
Average Molecular Weight308.3264
Monoisotopic Molecular Weight308.125988372
IUPAC Name2-{[(5-carboxy-2-ethylpentyl)oxy]carbonyl}benzoic acid
Traditional Name2-{[(5-carboxy-2-ethylpentyl)oxy]carbonyl}benzoic acid
CAS Registry NumberNot Available
SMILES
CCC(CCCC(O)=O)COC(=O)C1=CC=CC=C1C(O)=O
InChI Identifier
InChI=1S/C16H20O6/c1-2-11(6-5-9-14(17)18)10-22-16(21)13-8-4-3-7-12(13)15(19)20/h3-4,7-8,11H,2,5-6,9-10H2,1H3,(H,17,18)(H,19,20)
InChI KeyXFGRNAPKLGXDGF-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
  • Tricarboxylic acid or derivatives
  • Benzoic acid
  • Benzoyl
  • 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
ProcessNot Available
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
logP2.52ALOGPS
logP3.34ChemAxon
logS-3.2ALOGPS
pKa (Strongest Acidic)3.03ChemAxon
pKa (Strongest Basic)-7ChemAxon
Physiological Charge-2ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area100.9 ŲChemAxon
Rotatable Bond Count10ChemAxon
Refractivity79.15 m³·mol⁻¹ChemAxon
Polarizability32.24 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]+173.13731661259
DarkChem[M-H]-168.52731661259
DeepCCS[M+H]+175.68330932474
DeepCCS[M-H]-173.32530932474
DeepCCS[M-2H]-206.21130932474
DeepCCS[M+Na]+181.77630932474
AllCCS[M+H]+171.632859911
AllCCS[M+H-H2O]+168.632859911
AllCCS[M+NH4]+174.432859911
AllCCS[M+Na]+175.232859911
AllCCS[M-H]-172.332859911
AllCCS[M+Na-2H]-172.632859911
AllCCS[M+HCOO]-173.132859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Mono-(2-ethyl-5-carboxypentyl) phthalateCCC(CCCC(O)=O)COC(=O)C1=CC=CC=C1C(O)=O3803.5Standard polar33892256
Mono-(2-ethyl-5-carboxypentyl) phthalateCCC(CCCC(O)=O)COC(=O)C1=CC=CC=C1C(O)=O2152.8Standard non polar33892256
Mono-(2-ethyl-5-carboxypentyl) phthalateCCC(CCCC(O)=O)COC(=O)C1=CC=CC=C1C(O)=O2512.5Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Mono-(2-ethyl-5-carboxypentyl) phthalate,1TMS,isomer #1CCC(CCCC(=O)O[Si](C)(C)C)COC(=O)C1=CC=CC=C1C(=O)O2525.8Semi standard non polar33892256
Mono-(2-ethyl-5-carboxypentyl) phthalate,1TMS,isomer #2CCC(CCCC(=O)O)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C2537.5Semi standard non polar33892256
Mono-(2-ethyl-5-carboxypentyl) phthalate,2TMS,isomer #1CCC(CCCC(=O)O[Si](C)(C)C)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C2525.6Semi standard non polar33892256
Mono-(2-ethyl-5-carboxypentyl) phthalate,1TBDMS,isomer #1CCC(CCCC(=O)O[Si](C)(C)C(C)(C)C)COC(=O)C1=CC=CC=C1C(=O)O2764.1Semi standard non polar33892256
Mono-(2-ethyl-5-carboxypentyl) phthalate,1TBDMS,isomer #2CCC(CCCC(=O)O)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C(C)(C)C2757.9Semi standard non polar33892256
Mono-(2-ethyl-5-carboxypentyl) phthalate,2TBDMS,isomer #1CCC(CCCC(=O)O[Si](C)(C)C(C)(C)C)COC(=O)C1=CC=CC=C1C(=O)O[Si](C)(C)C(C)(C)C2975.6Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate GC-MS (Non-derivatized) - 70eV, Positivesplash10-0002-5930000000-197ddba064e06789267b2017-09-14Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate GC-MS (2 TMS) - 70eV, Positivesplash10-00di-6193200000-77ca54dc43f7b87574e32017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) 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-carboxypentyl) phthalate 10V, Positive-QTOFsplash10-052g-0693000000-d967e1f8272f0f805b592016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate 20V, Positive-QTOFsplash10-0005-5890000000-c57911b38ab12f8775e22016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate 40V, Positive-QTOFsplash10-052b-9610000000-8c6d47554900383920b62016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate 10V, Negative-QTOFsplash10-0bt9-0669000000-08bcf24c2001ef7fa6a12016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate 20V, Negative-QTOFsplash10-0829-1951000000-7e48dff5ec566e7669e12016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate 40V, Negative-QTOFsplash10-0600-5910000000-50ddb5302385aa1287dc2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate 10V, Negative-QTOFsplash10-0ab9-2946000000-2de500123a8003033b7d2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate 20V, Negative-QTOFsplash10-06fr-6960000000-f5d722b22908b8f646f42021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate 40V, Negative-QTOFsplash10-004i-9300000000-bec66037feb53a82d8d32021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate 10V, Positive-QTOFsplash10-052e-0592000000-377839f443ddee280aa92021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate 20V, Positive-QTOFsplash10-0002-0930000000-1a8fb1d10c37756011302021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Mono-(2-ethyl-5-carboxypentyl) phthalate 40V, Positive-QTOFsplash10-0537-9800000000-c9b899e65fc2904e95352021-09-22Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
UrineDetected and Quantified0.00752 (0.00656-0.00862) umol/mmol creatinineAdult (>18 years old)Not SpecifiedNormal
    • National Health a...
details
UrineDetected and Quantified0.0132 (0.0119-0.0148) 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 Compound148386
PDB IDNot Available
ChEBI ID132611
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDMDB00029807
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. 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 ]
  2. Leuenberger N, Barras L, Nicoli R, Robinson N, Baume N, Lion N, Barelli S, Tissot JD, Saugy M: Urinary di-(2-ethylhexyl) phthalate metabolites for detecting transfusion of autologous blood stored in plasticizer-free bags. Transfusion. 2016 Mar;56(3):571-8. doi: 10.1111/trf.13408. Epub 2015 Nov 18. [PubMed:26581034 ]