Record Information
Version1.0
Creation Date2016-05-26 02:36:56 UTC
Update Date2016-11-09 01:19:15 UTC
Accession NumberCHEM031389
Identification
Common Nameent-Epicatechin-(4alpha->8)-catechin
ClassSmall Molecule
Descriptionent-Epicatechin(4alpha->8)catechin is found in sago palm. ent-Epicatechin(4alpha->8)catechin is isolated from the pith of Metroxylon sagu (sago palm).
Contaminant Sources
  • FooDB Chemicals
Contaminant TypeNot Available
Chemical Structure
Thumb
Synonyms
ValueSource
ent-Epicatechin(4a->8)catechinGenerator
ent-Epicatechin(4α->8)catechinGenerator
ent-Epicatechin-(4alpha->8)-catechinHMDB
Procyanidin bMeSH, HMDB
ent-Epicatechin-(4a->8)-catechinGenerator
ent-Epicatechin-(4α->8)-catechinGenerator
Chemical FormulaC30H26O12
Average Molecular Mass578.520 g/mol
Monoisotopic Mass578.142 g/mol
CAS Registry Number121842-80-6
IUPAC Name2-(3,4-dihydroxyphenyl)-8-[2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol
Traditional Nameproanthocyanidin B1
SMILESOC1CC2=C(O)C=C(O)C(C3C(O)C(OC4=CC(O)=CC(O)=C34)C3=CC=C(O)C(O)=C3)=C2OC1C1=CC=C(O)C(O)=C1
InChI IdentifierInChI=1S/C30H26O12/c31-13-7-20(37)24-23(8-13)41-29(12-2-4-16(33)19(36)6-12)27(40)26(24)25-21(38)10-17(34)14-9-22(39)28(42-30(14)25)11-1-3-15(32)18(35)5-11/h1-8,10,22,26-29,31-40H,9H2
InChI KeyXFZJEEAOWLFHDH-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as biflavonoids and polyflavonoids. These are organic compounds containing at least two flavan/flavone units. These units are usually linked through CC or C-O-C bonds. Some examples include C2-O-C3, C2-O-C4, C3'-C3''', and C6-C8''.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassFlavonoids
Sub ClassBiflavonoids and polyflavonoids
Direct ParentBiflavonoids and polyflavonoids
Alternative Parents
Substituents
  • B-type proanthocyanidin
  • Bi- and polyflavonoid skeleton
  • Proanthocyanidin
  • Catechin
  • Flavan-3-ol
  • Hydroxyflavonoid
  • 3'-hydroxyflavonoid
  • 7-hydroxyflavonoid
  • 5-hydroxyflavonoid
  • 4'-hydroxyflavonoid
  • 3-hydroxyflavonoid
  • Flavan
  • Chromane
  • 1-benzopyran
  • Benzopyran
  • Catechol
  • Phenol
  • 1-hydroxy-2-unsubstituted benzenoid
  • Alkyl aryl ether
  • 1-hydroxy-4-unsubstituted benzenoid
  • Benzenoid
  • Monocyclic benzene moiety
  • Secondary alcohol
  • Polyol
  • Organoheterocyclic compound
  • Oxacycle
  • Ether
  • Hydrocarbon derivative
  • Alcohol
  • Organic oxygen compound
  • Organooxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Biological Properties
StatusDetected and Not Quantified
OriginNot Available
Cellular LocationsNot Available
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateNot Available
AppearanceNot Available
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
Predicted Properties
PropertyValueSource
Water Solubility0.14 g/LALOGPS
logP2.29ALOGPS
logP3.12ChemAxon
logS-3.6ALOGPS
pKa (Strongest Acidic)8.69ChemAxon
pKa (Strongest Basic)-5.2ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count12ChemAxon
Hydrogen Donor Count10ChemAxon
Polar Surface Area220.76 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity146.51 m³·mol⁻¹ChemAxon
Polarizability56.91 ųChemAxon
Number of Rings6ChemAxon
Bioavailability0ChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-03mj-0510690000-115aeaaab9de9537434cSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-00g0-9310123000-1b5f06694d5c5932b95dSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS ("ent-Epicatechin(4alpha->8)catechin,1TMS,#1" TMS) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_2) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_3) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_4) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_5) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_6) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_7) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_8) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_9) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_10) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_1) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_2) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_3) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_4) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_5) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_6) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_7) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_8) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_9) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_10) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_11) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_12) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_13) - 70eV, PositiveNot AvailableSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-004i-0110980000-0e13fd95dfea7e071b3eSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4i-0445930000-8d4ec7eb9ff49f33784dSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-059f-0491110000-39d8fdee57a1fac6e045Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-004i-0110980000-0e13fd95dfea7e071b3eSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4i-0445930000-8d4ec7eb9ff49f33784dSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-059f-0491110000-39d8fdee57a1fac6e045Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-004i-0110980000-0e13fd95dfea7e071b3eSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4i-0445930000-8d4ec7eb9ff49f33784dSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-059f-0491110000-39d8fdee57a1fac6e045Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-004i-0110980000-0e13fd95dfea7e071b3eSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4i-0445930000-8d4ec7eb9ff49f33784dSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-059f-0491110000-39d8fdee57a1fac6e045Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-004i-0110980000-0e13fd95dfea7e071b3eSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4i-0445930000-8d4ec7eb9ff49f33784dSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-059f-0491110000-39d8fdee57a1fac6e045Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-004i-0110980000-0e13fd95dfea7e071b3eSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4i-0445930000-8d4ec7eb9ff49f33784dSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-059f-0491110000-39d8fdee57a1fac6e045Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-004i-0100290000-ff355bf530effad0a098Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0kdr-0920440000-ebc860da7304aac4e05bSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-004i-0910000000-3a88752aba968bcdfc9cSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-004i-0100290000-ff355bf530effad0a098Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0kdr-0920440000-ebc860da7304aac4e05bSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-004i-0910000000-3a88752aba968bcdfc9cSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-004i-0100290000-ff355bf530effad0a098Spectrum
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityNot Available
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)Not Available
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentNot Available
Concentrations
Not Available
DrugBank IDNot Available
HMDB IDHMDB0037968
FooDB IDFDB017144
Phenol Explorer IDNot Available
KNApSAcK IDC00009078
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkNot Available
Chemspider ID115490
ChEBI ID173294
PubChem Compound ID130556
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General References
1. Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.