Record Information
Version1.0
Creation Date2009-07-03 22:19:15 UTC
Update Date2016-11-09 01:08:40 UTC
Accession NumberCHEM002077
Identification
Common NameMarinobufagenin
ClassSmall Molecule
DescriptionMarinobufagin is a cardiotoxic bufanolide steroid secreted by certain toads (Bufo rubescens, Bufo marinus). It is a vasoconstrictor. (3)
Contaminant Sources
  • T3DB toxins
Contaminant Type
  • Animal Toxin
  • Ester
  • Ether
  • Frog/Toad Toxin
  • Natural Compound
  • Organic Compound
Chemical Structure
Thumb
Synonyms
ValueSource
MarinobufogeninMeSH
Chemical FormulaC24H32O5
Average Molecular Mass400.508 g/mol
Monoisotopic Mass400.225 g/mol
CAS Registry Number470-42-8
IUPAC Name5-{14,16-dihydroxy-7,11-dimethyl-3-oxapentacyclo[8.8.0.0²,⁴.0²,⁷.0¹¹,¹⁶]octadecan-6-yl}-2H-pyran-2-one
Traditional Namemarinobufagenin
SMILESCC12CCC3C(CCC4(O)CC(O)CCC34C)C11OC1CC2C1=COC(=O)C=C1
InChI IdentifierInChI=1S/C24H32O5/c1-21-8-5-15(25)12-23(21,27)10-7-17-16(21)6-9-22(2)18(11-19-24(17,22)29-19)14-3-4-20(26)28-13-14/h3-4,13,15-19,25,27H,5-12H2,1-2H3
InChI KeyJMNQTHQLNRILMH-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as bufanolides and derivatives. These are steroid lactones containing a pyran-2-one moiety linked to the C17 atom of a cyclopenta[a]phenanthrene derivative.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassSteroids and steroid derivatives
Sub ClassSteroid lactones
Direct ParentBufanolides and derivatives
Alternative Parents
Substituents
  • Bufanolide-skeleton
  • Naphthopyran
  • Naphthalene
  • Pyranone
  • Pyran
  • Oxane
  • Cyclic alcohol
  • Heteroaromatic compound
  • Tertiary alcohol
  • Lactone
  • Secondary alcohol
  • Dialkyl ether
  • Oxirane
  • Ether
  • Oxacycle
  • Organoheterocyclic compound
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Alcohol
  • Organooxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Biological Properties
StatusDetected and Not Quantified
OriginExogenous
Cellular Locations
  • Membrane
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateSolid
AppearanceWhite powder.
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
Predicted Properties
PropertyValueSource
Water Solubility0.023 g/LALOGPS
logP2.38ALOGPS
logP2.13ChemAxon
logS-4.2ALOGPS
pKa (Strongest Acidic)14.22ChemAxon
pKa (Strongest Basic)-2.7ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area79.29 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity107.82 m³·mol⁻¹ChemAxon
Polarizability43.69 ųChemAxon
Number of Rings6ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0096-0119000000-35cabbfbac7e48d8fa0cSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0fsi-0009200000-dfc184fd6a8f05c3bd42Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0159-0139100000-8ee4029d111166eb152cSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0uxr-7911000000-c8b3b0bf1e41f9afda39Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0002-0009000000-0477e193a109d06d1320Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-001j-0009000000-351f5d6450f51379f43aSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0f79-2029000000-9b33929d9f316d3a2f34Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0002-0009000000-96850b9ae8e75893b765Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0002-0009000000-686146051517647da884Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0002-1009000000-6948b5b52ae08868b90eSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0f89-0009400000-dbcf08246b488c2fd8c8Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0fsi-0019200000-020143afb5d3d9638880Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-08fr-4950000000-fe7916c1fa6a6c0e3243Spectrum
Toxicity Profile
Route of ExposureIngestion (4)
Mechanism of ToxicityMarinobufagin blocks the sodium/potassium pump in heart tissue. (2, 3)
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)No indication of carcinogenicity to humans (not listed by IARC).
Uses/SourcesMarinobufagin is a cardiotoxic bufanolide steroid secreted by certain toads (Bufo rubescens, Bufo marinus). (3)
Minimum Risk LevelNot Available
Health EffectsMarinobufagin is cardiotoxic and also causes vasoconstriction. (3)
SymptomsSymptoms include nausea, vomiting, anorexia, diarrhoea, abdominal pain, wild hallucinations, delirium, and severe headache. Depending on the severity the victim may later suffer irregular and slow pulse, tremors, various cerebral disturbances, especially of a visual nature, convulsions, and deadly disturbances of the heart such as heart block, brachycardia, or tachycardia. (3, 2)
TreatmentNot Available
Concentrations
Not Available
DrugBank IDNot Available
HMDB IDNot Available
FooDB IDNot Available
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkMarinobufagenin
Chemspider IDNot Available
ChEBI IDNot Available
PubChem Compound ID615793
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General ReferencesNot Available