... almost half of theirs.FeaturesProduct Name:5-Methyl-2-phenyl-1,2-dihydropyrazol-3-oneSynonyms:TIMTEC-BB SBB003801;PMP ... AURORA KA-3365;2,4-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-oneCAS:89-25-8MF:C10H10N2OMW:174 ... VISMol File:89-25-8.mol 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one Chemical Propertiesmp 126-128 ... Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-(89-25-8)EPA Substance Registry System3H-Pyrazol-3 ...