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Record Information
Version1.0
Creation Date2016-09-30 23:08:42 UTC
Update Date2020-04-22 15:13:33 UTC
BMDB IDBMDB0004236
Secondary Accession Numbers
  • BMDB04236
Metabolite Identification
Common NameProstaglandin B2
DescriptionProstaglandin B2, also known as PGB2, belongs to the class of organic compounds known as prostaglandins and related compounds. These are unsaturated carboxylic acids consisting of a 20 carbon skeleton that also contains a five member ring, and are based upon the fatty acid arachidonic acid. Prostaglandin B2 is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Thumb
Synonyms
ValueSource
PGB2HMDB
Chemical FormulaC20H30O4
Average Molecular Weight334.4498
Monoisotopic Molecular Weight334.214409448
IUPAC Name(5Z)-7-{2-[(1E,3R)-3-hydroxyoct-1-en-1-yl]-5-oxocyclopent-1-en-1-yl}hept-5-enoic acid
Traditional Name(5Z)-7-{2-[(1E,3R)-3-hydroxyoct-1-en-1-yl]-5-oxocyclopent-1-en-1-yl}hept-5-enoic acid
CAS Registry Number13367-85-6
SMILES
CCCCC[C@@H](O)\C=C\C1=C(C\C=C/CCCC(O)=O)C(=O)CC1
InChI Identifier
InChI=1S/C20H30O4/c1-2-3-6-9-17(21)14-12-16-13-15-19(22)18(16)10-7-4-5-8-11-20(23)24/h4,7,12,14,17,21H,2-3,5-6,8-11,13,15H2,1H3,(H,23,24)/b7-4-,14-12+/t17-/m1/s1
InChI KeyPRFXRIUZNKLRHM-RYPCXPIFSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as prostaglandins and related compounds. These are unsaturated carboxylic acids consisting of a 20 carbon skeleton that also contains a five member ring, and are based upon the fatty acid arachidonic acid.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassEicosanoids
Direct ParentProstaglandins and related compounds
Alternative Parents
Substituents
  • Prostaglandin skeleton
  • Long-chain fatty acid
  • Hydroxy fatty acid
  • Fatty acid
  • Unsaturated fatty acid
  • Ketone
  • Cyclic ketone
  • Secondary alcohol
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organic oxide
  • Organic oxygen compound
  • Alcohol
  • Hydrocarbon derivative
  • Carbonyl group
  • Organooxygen compound
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External DescriptorsNot Available
Ontology
StatusExpected but not Quantified
Origin
  • Endogenous
  • Exogenous
BiofunctionNot Available
ApplicationNot Available
Cellular locations
  • Cell membrane
  • Cytoplasm
  • Membrane
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogP3.154Not Available
Predicted Properties
PropertyValueSource
logP4.07ALOGPS
logP4.18ChemAxon
logS-4ALOGPS
pKa (Strongest Acidic)4.25ChemAxon
pKa (Strongest Basic)-1.6ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area74.6 ŲChemAxon
Rotatable Bond Count12ChemAxon
Refractivity98.61 m³·mol⁻¹ChemAxon
Polarizability39.64 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-00lm-6391000000-3b069d42dd8ba363e1c3View in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (2 TMS) - 70eV, Positivesplash10-020c-9107400000-3e378b304e81c9767275View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-014j-0169000000-ab7e151e7512a9217570View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-02ga-3951000000-6eb2a7a228914281a6f5View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0f76-9220000000-0ee4fdc9b2a755b944e0View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-001i-0019000000-dbe0b0e74e1f3b041bdaView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0159-2159000000-e67ebc50c5d1f2b7f75fView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0a4l-9140000000-dc05680aa61a1ac55903View in MoNA
Biological Properties
Cellular Locations
  • Cell membrane
  • Cytoplasm
  • Membrane
Biospecimen LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
HMDB IDHMDB0004236
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB023342
KNApSAcK IDNot Available
Chemspider ID4450370
KEGG Compound IDC05954
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound5288144
PDB IDE2P
ChEBI ID28099
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available