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Version5.0
StatusExpected but not Quantified
Creation Date2013-07-04 18:56:02 UTC
Update Date2023-02-21 17:30:12 UTC
HMDB IDHMDB0060735
Secondary Accession Numbers
  • HMDB60735
Metabolite Identification
Common Name3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid
Description3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid belongs to the class of organic compounds known as phenylpropanoic acids. Phenylpropanoic acids are compounds with a structure containing a benzene ring conjugated to a propanoic acid. 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid is an extremely weak basic (essentially neutral) compound (based on its pKa). This property is significant in that it allows a greater proportion of peripheral levodopa to cross the blood brain barrier for central nervous system effect. 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid is a metabolite of carbidopa. Carbidopa (Lodosyn) is a drug given to people with Parkinson's disease in order to inhibit peripheral metabolism of levodopa.
Structure
Data?1677000612
Synonyms
ValueSource
3-(3,4-Dihydroxyphenyl)-2-methylpropionateGenerator
3-(3,4-Dihydroxyphenyl)-2-methylpropanoateGenerator
Chemical FormulaC10H12O4
Average Molecular Weight196.1999
Monoisotopic Molecular Weight196.073558872
IUPAC Name3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid
Traditional Name3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid
CAS Registry NumberNot Available
SMILES
CC(CC1=CC(O)=C(O)C=C1)C(O)=O
InChI Identifier
InChI=1S/C10H12O4/c1-6(10(13)14)4-7-2-3-8(11)9(12)5-7/h2-3,5-6,11-12H,4H2,1H3,(H,13,14)
InChI KeyGIIOASILGOFVPI-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as phenylpropanoic acids. Phenylpropanoic acids are compounds with a structure containing a benzene ring conjugated to a propanoic acid.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassPhenylpropanoic acids
Sub ClassNot Available
Direct ParentPhenylpropanoic acids
Alternative Parents
Substituents
  • 3-phenylpropanoic-acid
  • Phenylpropane
  • Catechol
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Monocyclic benzene moiety
  • Benzenoid
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organic oxide
  • Organic oxygen compound
  • Carbonyl group
  • Organooxygen compound
  • Hydrocarbon derivative
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic 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
Water Solubility1.98 g/LALOGPS
logP1.69ALOGPS
logP1.99ChemAxon
logS-2ALOGPS
pKa (Strongest Acidic)3.92ChemAxon
pKa (Strongest Basic)-6.3ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area77.76 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity50.5 m³·mol⁻¹ChemAxon
Polarizability19.39 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]+144.42331661259
DarkChem[M-H]-140.42231661259
DeepCCS[M+H]+139.20130932474
DeepCCS[M-H]-135.95730932474
DeepCCS[M-2H]-172.69930932474
DeepCCS[M+Na]+148.23830932474
AllCCS[M+H]+142.732859911
AllCCS[M+H-H2O]+138.532859911
AllCCS[M+NH4]+146.532859911
AllCCS[M+Na]+147.632859911
AllCCS[M-H]-142.132859911
AllCCS[M+Na-2H]-142.732859911
AllCCS[M+HCOO]-143.532859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acidCC(CC1=CC(O)=C(O)C=C1)C(O)=O3394.8Standard polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acidCC(CC1=CC(O)=C(O)C=C1)C(O)=O1821.2Standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acidCC(CC1=CC(O)=C(O)C=C1)C(O)=O1892.2Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,1TMS,isomer #1CC(CC1=CC=C(O)C(O[Si](C)(C)C)=C1)C(=O)O1893.1Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,1TMS,isomer #2CC(CC1=CC=C(O[Si](C)(C)C)C(O)=C1)C(=O)O1920.7Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,1TMS,isomer #3CC(CC1=CC=C(O)C(O)=C1)C(=O)O[Si](C)(C)C1923.6Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,2TMS,isomer #1CC(CC1=CC=C(O[Si](C)(C)C)C(O[Si](C)(C)C)=C1)C(=O)O1912.4Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,2TMS,isomer #2CC(CC1=CC=C(O)C(O[Si](C)(C)C)=C1)C(=O)O[Si](C)(C)C1870.0Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,2TMS,isomer #3CC(CC1=CC=C(O[Si](C)(C)C)C(O)=C1)C(=O)O[Si](C)(C)C1899.6Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,3TMS,isomer #1CC(CC1=CC=C(O[Si](C)(C)C)C(O[Si](C)(C)C)=C1)C(=O)O[Si](C)(C)C1958.3Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,1TBDMS,isomer #1CC(CC1=CC=C(O)C(O[Si](C)(C)C(C)(C)C)=C1)C(=O)O2150.3Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,1TBDMS,isomer #2CC(CC1=CC=C(O[Si](C)(C)C(C)(C)C)C(O)=C1)C(=O)O2181.0Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,1TBDMS,isomer #3CC(CC1=CC=C(O)C(O)=C1)C(=O)O[Si](C)(C)C(C)(C)C2176.8Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,2TBDMS,isomer #1CC(CC1=CC=C(O[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)=C1)C(=O)O2395.9Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,2TBDMS,isomer #2CC(CC1=CC=C(O)C(O[Si](C)(C)C(C)(C)C)=C1)C(=O)O[Si](C)(C)C(C)(C)C2363.8Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,2TBDMS,isomer #3CC(CC1=CC=C(O[Si](C)(C)C(C)(C)C)C(O)=C1)C(=O)O[Si](C)(C)C(C)(C)C2418.5Semi standard non polar33892256
3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid,3TBDMS,isomer #1CC(CC1=CC=C(O[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)=C1)C(=O)O[Si](C)(C)C(C)(C)C2640.9Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid GC-MS (Non-derivatized) - 70eV, Positivesplash10-00di-0900000000-f492d54822e1a6e7a4662017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid GC-MS (3 TMS) - 70eV, Positivesplash10-006t-5149000000-5f5b5e3c7bd8a380d15a2017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 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 - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 10V, Positive-QTOFsplash10-0002-0900000000-f9adf533e36312b580082016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 20V, Positive-QTOFsplash10-0umj-2900000000-80586179d13c91755bbc2016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 40V, Positive-QTOFsplash10-0zml-9800000000-0261e6c60ea51dade5f22016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 10V, Negative-QTOFsplash10-0002-0900000000-49e59a29f2d81bdde19a2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 20V, Negative-QTOFsplash10-0f6t-1900000000-12754aeab1fd382d5bbc2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 3-(3,4-Dihydroxyphenyl)-2-methylpropionic acid 40V, Negative-QTOFsplash10-05fr-8900000000-3eaec55cf4f2aaa3b9d82016-08-03Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-)2023-02-04FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-04FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-04FELIX labView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
Biospecimen Locations
  • Blood
  • Urine
Tissue Locations
  • Kidney
  • Liver
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
details
UrineExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
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 Compound21563790
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 ReferencesNot Available