| Other Names | 2654-57-1, 4-methyl-1-phenylpyrazolidin-3-one, 1-Phenyl-4-methyl-3-pyrazolidone, Phenidone B, 3-Pyrazolidinone, 4-methyl-1-phenyl-, 4-Methyl-1-phenyl-3-pyrazolidinone, 4-Methyl-1-phenyl-3-pyrazolidone, 4-Methyl-1-phenyl-4, 5-dihydro-1H-pyrazol-3-ol, 4-Methyl-1-phenyl-3-pyrazilidone, 4-methyl-1-phenyl-pyrazolidin-3-one, 59MUO871OM, DTXSID8044412, 1-Phenyl-4-methylpyrazolidone-3, NSC96628, 1-phenyl-4-methyl-3-pyrazolidinone, EINECS 220-180-6, NSC 96628, NSC-96628, AI3-60150, MLS000689206, DTXCID6024412, SMR000283228, 1-PHENYL-4-METHYL-3-OXOPYRAZOLIDINE, UNII-59MUO871OM, MFCD00044800, ChemDiv3_006639, 1Phenyl4methyl3pyrazolidone, Oprea1_430085, Oprea1_755749, Phenidone B (1-Phenyl-4-methyl-3-pyrazolidone), 4Methyl1phenyl3pyrazolidinone, cid_98282, SCHEMBL972562, SCHEMBL4914305, 3Pyrazolidinone, 4methyl1phenyl, Pyrazolidin3one, 4methyl1phenyl, CHEMBL1489664, BDBM81087, HMS1491N17, HMS2711N10, ALBB-037243, Tox21_302042, 4-Methyl-3-oxo-1-phenylpyrazolidine, STK070701, STK290979, AKOS000313053, AKOS000546082, AKOS022079304, FS-2655, IDI1_024549, NCGC00245089-01, NCGC00255949-01, AC-11626, CAS-2654-57-1, DB-046980, CS-0152671, M1667, NS00019798, 1-phenyl-4-methyl-3-pyrazolidone, 98.5+%, 4-methyl-1-phenyltetrahydro-3H-pyrazol-3-one, EN300-228353, O11260, pyrazole, tetrahydro-4-methyl-3-oxo-1-phenyl-, AG-205/25011066, AG-690/36472032, SR-01000524008, SR-01000524008-1, Q27261713, F0907-4247, 220-180-6 |
|---|---|
| IUPAC Name | 4-methyl-1-phenylpyrazolidin-3-one |
| CAS | 27421-51-8 |
| Molecular Weight | 176.21 |
| Molecular Formula | C10H12N2O |
| SMILES | CC1CN(NC1=O)C2=CC=CC=C2 |





![1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile, 3-formyl- - (1000340-48-6)](https://eontrading.uk/wp-content/uploads/2025/04/1000340-48-6.png)
