3-Methyl-1-phenyl-2-pyrazolin-5-one

• Catalog No.: A11161
• CAS Number: 89-25-8
• M. F.: C10H10N2O
• M. W.: 174.1992
• Purity: 98+%

SYNONYMS

• Title: 3-甲基-1-苯基-2-吡唑啉-5-酮
• IUPAC name: 3-methyl-1-phenyl-4,5-dihydro-1H-pyrazol-5-one
• IUPAC Traditional name: edaravone
• Synonyms: Norphenazone; 2,4-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one

DATABASE IDS

• CAS Number: 89-25-8
• MDL Number: MFCD00003138
• Merck Index: 146713
• Beilstein Number: 609575
• EC Number: 201-891-0

PROPERTIES

• Purity: 98+%
• Boiling Point: 191°C/17mm
• Density: 1.120
• Melting Point: 127-131°C
• GHS Hazard statements: H303
• RTECS: UQ9625000
• TSCA Listed: 是

REFERENCES

• Undergoes lithiation with n-BuLi at the methylene group; see, e.g.: Synth. Commun., 20, 477 (1990).