1.02010-04-08 22:07:59 UTC2020-02-24 19:10:51 UTCFDB0082424-Penten-2-oneConstituent of Tamarindus indica (tamarind). 4-Penten-2-one is found in fruits and tamarind.Allyl methyl ketoneVinylacetoneC5H8O84.116484.057514878pent-4-en-2-onepent-4-en-2-one13891-87-7CC(=O)CC=CInChI=1S/C5H8O/c1-3-4-5(2)6/h3H,1,4H2,2H3PNJWIWWMYCMZRO-UHFFFAOYSA-N belongs to the class of organic compounds known as ketones. These are organic compounds in which a carbonyl group is bonded to two carbon atoms R2C=O (neither R may be a hydrogen atom). Ketones that have one or more alpha-hydrogen atoms undergo keto-enol tautomerization, the tautomer being an enol.KetonesOrganic compoundsOrganic oxygen compoundsOrganooxygen compoundsCarbonyl compoundsAliphatic acyclic compoundsHydrocarbon derivativesOrganic oxidesAliphatic acyclic compoundHydrocarbon derivativeKetoneOrganic oxideOxygenated hydrocarbonsmethyl ketoneolefinic compoundlogp0.66logs-0.57solubility2.26e+01 g/llogp0.95pka_strongest_acidic16.89pka_strongest_basic-7.4iupacpent-4-en-2-oneaverage_mass84.1164mono_mass84.057514878smilesCC(=O)CC=CformulaC5H8OinchiInChI=1S/C5H8O/c1-3-4-5(2)6/h3H,1,4H2,2H3inchikeyPNJWIWWMYCMZRO-UHFFFAOYSA-Npolar_surface_area17.07refractivity25.47polarizability9.49rotatable_bond_count2acceptor_count1donor_count0physiological_charge0formal_charge0Specdb::MsIr4718Specdb::MsIr4719Specdb::CMs10973Specdb::CMs172730Specdb::NmrOneD164929Specdb::NmrOneD164930Specdb::NmrOneD164931Specdb::NmrOneD164932Specdb::NmrOneD164933Specdb::NmrOneD164934Specdb::NmrOneD164935Specdb::NmrOneD164936Specdb::NmrOneD164937Specdb::NmrOneD164938Specdb::NmrOneD164939Specdb::NmrOneD164940Specdb::NmrOneD164941Specdb::NmrOneD164942Specdb::NmrOneD164943Specdb::NmrOneD164944Specdb::NmrOneD164945Specdb::NmrOneD164946Specdb::NmrOneD164947Specdb::NmrOneD164948Specdb::MsMs75747Specdb::MsMs75748Specdb::MsMs75749Specdb::MsMs135447Specdb::MsMs135448Specdb::MsMs135449Specdb::MsMs2701645Specdb::MsMs2701646Specdb::MsMs2701647Specdb::MsMs3007781Specdb::MsMs3007782Specdb::MsMs3007783HMDB31606#<Reference:0x00005556740df550>FruitsUnknowngenericTamarindType 1specificTamarindus indica58860