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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2016-10-26 16:31:55 UTC
Update Date2023-02-21 17:30:39 UTC
HMDB IDHMDB0062176
Secondary Accession Numbers
  • HMDB62176
Metabolite Identification
Common NameN-Lactoylleucine
Description(2S)-2-{[(2S)-1,2-dihydroxypropylidene]amino}-4-methylpentanoic acid belongs to the class of organic compounds known as leucine and derivatives. Leucine and derivatives are compounds containing leucine or a derivative thereof resulting from reaction of leucine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom (2S)-2-{[(2S)-1,2-dihydroxypropylidene]amino}-4-methylpentanoic acid is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Data?1677000639
Synonyms
ValueSource
(2S)-2-{[(2S)-1,2-dihydroxypropylidene]amino}-4-methylpentanoateGenerator
N-Lactoyl-leucineHMDB
Chemical FormulaC9H17NO4
Average Molecular Weight203.238
Monoisotopic Molecular Weight203.115758031
IUPAC Name(2S)-2-[(2S)-2-hydroxypropanamido]-4-methylpentanoic acid
Traditional Name(2S)-2-[(2S)-2-hydroxypropanamido]-4-methylpentanoic acid
CAS Registry Number210769-82-7
SMILES
CC(C)C[C@H](NC(=O)[C@H](C)O)C(O)=O
InChI Identifier
InChI=1S/C9H17NO4/c1-5(2)4-7(9(13)14)10-8(12)6(3)11/h5-7,11H,4H2,1-3H3,(H,10,12)(H,13,14)/t6-,7-/m0/s1
InChI KeyBUMIGZVUJKNXCO-BQBZGAKWSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as leucine and derivatives. Leucine and derivatives are compounds containing leucine or a derivative thereof resulting from reaction of leucine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentLeucine and derivatives
Alternative Parents
Substituents
  • Leucine or derivatives
  • N-acyl-alpha-amino acid
  • N-acyl-l-alpha-amino acid
  • N-acyl-alpha amino acid or derivatives
  • Branched fatty acid
  • Hydroxy fatty acid
  • Methyl-branched fatty acid
  • Fatty acyl
  • Fatty acid
  • Carboxamide group
  • Secondary carboxylic acid amide
  • Secondary alcohol
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Hydrocarbon derivative
  • Organic oxide
  • Alcohol
  • Organic oxygen compound
  • Carbonyl group
  • Organic nitrogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic 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
logP0.12ALOGPS
logP0.25ChemAxon
logS-0.74ALOGPS
pKa (Strongest Acidic)4.07ChemAxon
pKa (Strongest Basic)-3.5ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area86.63 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity49.81 m³·mol⁻¹ChemAxon
Polarizability20.63 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+151.55930932474
DeepCCS[M-H]-149.20130932474
DeepCCS[M-2H]-182.19730932474
DeepCCS[M+Na]+157.65230932474
AllCCS[M+H]+147.832859911
AllCCS[M+H-H2O]+144.232859911
AllCCS[M+NH4]+151.032859911
AllCCS[M+Na]+152.032859911
AllCCS[M-H]-145.732859911
AllCCS[M+Na-2H]-147.132859911
AllCCS[M+HCOO]-148.632859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
N-LactoylleucineCC(C)C[C@H](NC(=O)[C@H](C)O)C(O)=O2924.2Standard polar33892256
N-LactoylleucineCC(C)C[C@H](NC(=O)[C@H](C)O)C(O)=O1526.1Standard non polar33892256
N-LactoylleucineCC(C)C[C@H](NC(=O)[C@H](C)O)C(O)=O1617.6Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
N-Lactoylleucine,1TMS,isomer #1CC(C)C[C@H](NC(=O)[C@H](C)O[Si](C)(C)C)C(=O)O1625.2Semi standard non polar33892256
N-Lactoylleucine,1TMS,isomer #2CC(C)C[C@H](NC(=O)[C@H](C)O)C(=O)O[Si](C)(C)C1592.1Semi standard non polar33892256
N-Lactoylleucine,1TMS,isomer #3CC(C)C[C@@H](C(=O)O)N(C(=O)[C@H](C)O)[Si](C)(C)C1607.1Semi standard non polar33892256
N-Lactoylleucine,2TMS,isomer #1CC(C)C[C@H](NC(=O)[C@H](C)O[Si](C)(C)C)C(=O)O[Si](C)(C)C1681.7Semi standard non polar33892256
N-Lactoylleucine,2TMS,isomer #2CC(C)C[C@@H](C(=O)O)N(C(=O)[C@H](C)O[Si](C)(C)C)[Si](C)(C)C1683.1Semi standard non polar33892256
N-Lactoylleucine,2TMS,isomer #3CC(C)C[C@@H](C(=O)O[Si](C)(C)C)N(C(=O)[C@H](C)O)[Si](C)(C)C1643.5Semi standard non polar33892256
N-Lactoylleucine,3TMS,isomer #1CC(C)C[C@@H](C(=O)O[Si](C)(C)C)N(C(=O)[C@H](C)O[Si](C)(C)C)[Si](C)(C)C1747.3Semi standard non polar33892256
N-Lactoylleucine,3TMS,isomer #1CC(C)C[C@@H](C(=O)O[Si](C)(C)C)N(C(=O)[C@H](C)O[Si](C)(C)C)[Si](C)(C)C1777.4Standard non polar33892256
N-Lactoylleucine,3TMS,isomer #1CC(C)C[C@@H](C(=O)O[Si](C)(C)C)N(C(=O)[C@H](C)O[Si](C)(C)C)[Si](C)(C)C1754.3Standard polar33892256
N-Lactoylleucine,1TBDMS,isomer #1CC(C)C[C@H](NC(=O)[C@H](C)O[Si](C)(C)C(C)(C)C)C(=O)O1864.4Semi standard non polar33892256
N-Lactoylleucine,1TBDMS,isomer #2CC(C)C[C@H](NC(=O)[C@H](C)O)C(=O)O[Si](C)(C)C(C)(C)C1824.2Semi standard non polar33892256
N-Lactoylleucine,1TBDMS,isomer #3CC(C)C[C@@H](C(=O)O)N(C(=O)[C@H](C)O)[Si](C)(C)C(C)(C)C1829.7Semi standard non polar33892256
N-Lactoylleucine,2TBDMS,isomer #1CC(C)C[C@H](NC(=O)[C@H](C)O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C2123.9Semi standard non polar33892256
N-Lactoylleucine,2TBDMS,isomer #2CC(C)C[C@@H](C(=O)O)N(C(=O)[C@H](C)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2141.6Semi standard non polar33892256
N-Lactoylleucine,2TBDMS,isomer #3CC(C)C[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N(C(=O)[C@H](C)O)[Si](C)(C)C(C)(C)C2097.0Semi standard non polar33892256
N-Lactoylleucine,3TBDMS,isomer #1CC(C)C[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N(C(=O)[C@H](C)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2389.2Semi standard non polar33892256
N-Lactoylleucine,3TBDMS,isomer #1CC(C)C[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N(C(=O)[C@H](C)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2360.3Standard non polar33892256
N-Lactoylleucine,3TBDMS,isomer #1CC(C)C[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N(C(=O)[C@H](C)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2208.1Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - N-Lactoylleucine GC-MS (Non-derivatized) - 70eV, Positivesplash10-0007-9200000000-6f0f328b8f5fe1734be42017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - N-Lactoylleucine GC-MS (2 TMS) - 70eV, Positivesplash10-014i-6921000000-3448e0e9a3efb64a89852017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - N-Lactoylleucine 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 - N-Lactoylleucine 10V, Positive-QTOFsplash10-0udr-3950000000-2ab20d6bdc351e10f2cf2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Lactoylleucine 20V, Positive-QTOFsplash10-052r-9810000000-02f76c356bb3b6d8e52a2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Lactoylleucine 40V, Positive-QTOFsplash10-0a59-9100000000-4bcffd9115a3e4fce5df2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Lactoylleucine 10V, Negative-QTOFsplash10-0udi-1690000000-6da7aaf4d48b4ef78cdd2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Lactoylleucine 20V, Negative-QTOFsplash10-053r-5910000000-9986e973c6ae6492d7d32017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Lactoylleucine 40V, Negative-QTOFsplash10-00ei-9300000000-7fe8a6f8f14886d4dcd72017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Lactoylleucine 10V, Negative-QTOFsplash10-0f89-0960000000-f36746a7f6db882a5d202021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Lactoylleucine 20V, Negative-QTOFsplash10-001i-1900000000-49ce37b81ad15c1a16242021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Lactoylleucine 40V, Negative-QTOFsplash10-000x-9200000000-6718eb56ee949d47da7f2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Lactoylleucine 10V, Positive-QTOFsplash10-0kar-2930000000-28f88c6ee042952dd2b82021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Lactoylleucine 20V, Positive-QTOFsplash10-0019-9700000000-bcbe4fa3b6742fca1c9a2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Lactoylleucine 40V, Positive-QTOFsplash10-006y-9000000000-f0ef034000c3d3190ecd2021-09-22Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-24Wishart 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 LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Not SpecifiedNormal details
BloodDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Not Specified
Normal
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 Compound57329455
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. Jansen RS, Addie R, Merkx R, Fish A, Mahakena S, Bleijerveld OB, Altelaar M, IJlst L, Wanders RJ, Borst P, van de Wetering K: N-lactoyl-amino acids are ubiquitous metabolites that originate from CNDP2-mediated reverse proteolysis of lactate and amino acids. Proc Natl Acad Sci U S A. 2015 May 26;112(21):6601-6. doi: 10.1073/pnas.1424638112. Epub 2015 May 11. [PubMed:25964343 ]