| CAS No | 89-25-8 |
| Synonyms | 3-Methyl-1-phenyl-2-pyrazolin-5-one ; 2,4-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one ; 1-Phenyl-3-methyl-1H-4,5-dihydropyrazol-5-one ; 4,5-Dihydro-3-methyl-5-oxo-1-phenylpyrazole ; Methylphenylpyrazolone ; NCI-C 03952 ; NSC 12 ; NSC 26139 ; NSC 2629 ; Norantipyrine ; Norphenazone ; Radicut ; USP Antipyrine Related Compound A ; MCI 186 |
| Mol.F. | C10H10N2O |
| Mol.Wt. | 174.2 |