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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2012-09-11 21:49:17 UTC
Update Date2022-03-07 02:55:00 UTC
HMDB IDHMDB0036657
Secondary Accession Numbers
  • HMDB36657
Metabolite Identification
Common NameEpi-alpha-amyrin
DescriptionEpi-alpha-amyrin, also known as epi-α-amyrin, belongs to the class of organic compounds known as triterpenoids. These are terpene molecules containing six isoprene units. Based on a literature review a small amount of articles have been published on Epi-alpha-amyrin.
Structure
Data?1563862904
Synonyms
ValueSource
Epi-a-amyrinGenerator
Epi-α-amyrinGenerator
Chemical FormulaC30H50O
Average Molecular Weight426.7174
Monoisotopic Molecular Weight426.386166222
IUPAC Name(3S,6aR,6bS,8aR,11S,12R,12aR,14bR)-4,4,6a,6b,8a,11,12,14b-octamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicen-3-ol
Traditional Name(3S,6aR,6bS,8aR,11S,12R,12aR,14bR)-4,4,6a,6b,8a,11,12,14b-octamethyl-2,3,4a,5,6,7,8,9,10,11,12,12a,14,14a-tetradecahydro-1H-picen-3-ol
CAS Registry Number5937-48-4
SMILES
[H][C@@]12[C@H](C)[C@@H](C)CC[C@]1(C)CC[C@]1(C)C2=CCC2[C@@]3(C)CC[C@H](O)C(C)(C)C3CC[C@@]12C
InChI Identifier
InChI=1S/C30H50O/c1-19-11-14-27(5)17-18-29(7)21(25(27)20(19)2)9-10-23-28(6)15-13-24(31)26(3,4)22(28)12-16-30(23,29)8/h9,19-20,22-25,31H,10-18H2,1-8H3/t19-,20+,22?,23?,24-,25-,27+,28-,29+,30+/m0/s1
InChI KeyFSLPMRQHCOLESF-QJYIJPODSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as triterpenoids. These are terpene molecules containing six isoprene units.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassTriterpenoids
Direct ParentTriterpenoids
Alternative Parents
Substituents
  • Triterpenoid
  • Cyclic alcohol
  • Secondary alcohol
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Alcohol
  • Aliphatic homopolycyclic compound
Molecular FrameworkAliphatic homopolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point138 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility0.0001 mg/L @ 25 °C (est)The Good Scents Company Information System
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility4.2e-05 g/LALOGPS
logP6.9ALOGPS
logP7.39ChemAxon
logS-7ALOGPS
pKa (Strongest Acidic)19.49ChemAxon
pKa (Strongest Basic)-0.84ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area20.23 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity131.98 m³·mol⁻¹ChemAxon
Polarizability53.53 ųChemAxon
Number of Rings5ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+197.87931661259
DarkChem[M-H]-190.35931661259
DeepCCS[M-2H]-245.64830932474
DeepCCS[M+Na]+220.67830932474
AllCCS[M+H]+213.632859911
AllCCS[M+H-H2O]+211.832859911
AllCCS[M+NH4]+215.332859911
AllCCS[M+Na]+215.832859911
AllCCS[M-H]-208.832859911
AllCCS[M+Na-2H]-210.732859911
AllCCS[M+HCOO]-212.932859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Epi-alpha-amyrin[H][C@@]12[C@H](C)[C@@H](C)CC[C@]1(C)CC[C@]1(C)C2=CCC2[C@@]3(C)CC[C@H](O)C(C)(C)C3CC[C@@]12C2986.9Standard polar33892256
Epi-alpha-amyrin[H][C@@]12[C@H](C)[C@@H](C)CC[C@]1(C)CC[C@]1(C)C2=CCC2[C@@]3(C)CC[C@H](O)C(C)(C)C3CC[C@@]12C3476.7Standard non polar33892256
Epi-alpha-amyrin[H][C@@]12[C@H](C)[C@@H](C)CC[C@]1(C)CC[C@]1(C)C2=CCC2[C@@]3(C)CC[C@H](O)C(C)(C)C3CC[C@@]12C3395.3Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Epi-alpha-amyrin,1TMS,isomer #1C[C@H]1CC[C@]2(C)CC[C@]3(C)C(=CCC4[C@@]5(C)CC[C@H](O[Si](C)(C)C)C(C)(C)C5CC[C@]43C)[C@@H]2[C@@H]1C3401.5Semi standard non polar33892256
Epi-alpha-amyrin,1TBDMS,isomer #1C[C@H]1CC[C@]2(C)CC[C@]3(C)C(=CCC4[C@@]5(C)CC[C@H](O[Si](C)(C)C(C)(C)C)C(C)(C)C5CC[C@]43C)[C@@H]2[C@@H]1C3632.3Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Epi-alpha-amyrin GC-MS (Non-derivatized) - 70eV, Positivesplash10-01ot-0019400000-ecc21700fd27d65957522017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epi-alpha-amyrin GC-MS (1 TMS) - 70eV, Positivesplash10-0089-1011900000-71f0bbb1047a7bd36fff2017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epi-alpha-amyrin GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Epi-alpha-amyrin 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 - Epi-alpha-amyrin 10V, Positive-QTOFsplash10-0a6r-0000900000-27f46712c91e2fe7d8cc2016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epi-alpha-amyrin 20V, Positive-QTOFsplash10-0a6r-2667900000-91307e1cc3499ae70ecc2016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epi-alpha-amyrin 40V, Positive-QTOFsplash10-0pba-4769000000-491db2c29a2cc7b521052016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epi-alpha-amyrin 10V, Negative-QTOFsplash10-004i-0000900000-680914865ce022176b1e2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epi-alpha-amyrin 20V, Negative-QTOFsplash10-004i-0000900000-3c4b0132aaa763abc8042016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epi-alpha-amyrin 40V, Negative-QTOFsplash10-052f-1009500000-56e5e2c7b7fe39a6c8a62016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epi-alpha-amyrin 10V, Negative-QTOFsplash10-004i-0000900000-590c9e4adfdd12b64d932021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epi-alpha-amyrin 20V, Negative-QTOFsplash10-004i-0000900000-590c9e4adfdd12b64d932021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epi-alpha-amyrin 40V, Negative-QTOFsplash10-00b9-0000900000-2addc6407051fa92c8ce2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epi-alpha-amyrin 10V, Positive-QTOFsplash10-004i-0002900000-51e4c5d4328ab3435bac2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epi-alpha-amyrin 20V, Positive-QTOFsplash10-004r-0890600000-1a3e5f654e197f8d6c582021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Epi-alpha-amyrin 40V, Positive-QTOFsplash10-000i-2930000000-b641b618afc6c69c4b842021-09-22Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Extracellular
  • Membrane
Biospecimen Locations
  • Feces
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
details
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Colorectal cancer
details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Colorectal cancer
details
Associated Disorders and Diseases
Disease References
Colorectal cancer
  1. Sinha R, Ahn J, Sampson JN, Shi J, Yu G, Xiong X, Hayes RB, Goedert JJ: Fecal Microbiota, Fecal Metabolome, and Colorectal Cancer Interrelations. PLoS One. 2016 Mar 25;11(3):e0152126. doi: 10.1371/journal.pone.0152126. eCollection 2016. [PubMed:27015276 ]
  2. Goedert JJ, Sampson JN, Moore SC, Xiao Q, Xiong X, Hayes RB, Ahn J, Shi J, Sinha R: Fecal metabolomics: assay performance and association with colorectal cancer. Carcinogenesis. 2014 Sep;35(9):2089-96. doi: 10.1093/carcin/bgu131. Epub 2014 Jul 18. [PubMed:25037050 ]
Associated OMIM IDs
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB018443
KNApSAcK IDNot Available
Chemspider ID35014182
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound131752025
PDB IDNot Available
ChEBI ID175459
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1856251
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
  2. Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
  3. Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
  4. Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
  5. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .
  6. Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.