Home > Name List By 5 > 5-methyl-2-phenyl-4H-pyrazol-3-one

CAS No 89-25-8 , 5-methyl-2-phenyl-4H-pyrazol-3-one

  • Name: 5-methyl-2-phenyl-4H-pyrazol-3-one
  • Synonyms: 5-methyl-2-phenyl-4H-pyrazol-3-one;edaravone; Norantipyrine; Developer Z; 3-METHYL-1-PHENYL-2-PYRAZOLIN-5-ONE; Norphenazone; 89-25-8; MCI-186; 1-Phenyl-3-methyl-5-pyrazolone; Radicut;
  • CAS Registry Number:
  • Melting Point: 127-131 ºC
  • Boiling Point: 287 ºC (265 MMHG)
  • Density: 1,12 g/cm3
  • Refractive index: 0.00014 (25 C)
  • Water Solubility: 3 G/L (20 ºC)
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29331990
  • EINECS: 201-891-0
  • Molecular Weight: 174.1992
  • InchiKey: QELUYTUMUWHWMC-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H10N2O/c1-8-7-10(13)12(11-8)9-5-3-2-4-6-9/h2-6H,7H2,1H3
  • Risk Statements: S26;S36
  • Molecular Formula: C10H10N2O
  • Molecular Structure:CAS No:89-25-8 5-methyl-2-phenyl-4H-pyrazol-3-one
Search by region :

Select to

89-25-8 3-Methyl-1-phenyl-2-pyrazolin-5-one

  • China KINFON PHARMACEUTICAL AND CHEMICAL CO.LTD [Manufacturer, Trading Company, Distributor/Wholesaler]
  • Tel: +86-23-8650081
  • Fax: +86-23-8650081
  • Address: 7F,Commercial Building, No.3 Nanping West Road,Nan null,nullChina
Contact Supplier

89-25-8 1-PHENYL-3-METHYL-5-PYRAZOLONE

  • China Dragon Chemical Group Co.,China null
  • Fax: +86-571-88391332 49-211-550203-10
  • Address: 10/Fl., Jinjiang Building, 111 South Hushu Rd., Hangzhou, China null,nullChina
Contact Supplier

89-25-8 3-Methyl-1-phenyl-2-pyrazolin-5-one

  • China VETCHEM Biochemistry Science [Manufacturer, Distributor/Wholesaler]
  • Tel: +86-21-593837
  • Address: No.2 Jinshanwei Industrial Zon,Shanghai 200120 China Shanghai,ShanghaiChina
Contact Supplier

89-25-8 3-Methyl-1-phenyl-2-pyrazolin-5-one

Contact Supplier

89-25-8 1-phenyl-3-Methyl-5-Pyrazolone

  • China Kelco Chemicals Co.,Ltd. null
  • Fax: +86-21-62733549
  • Address: Rm 601, Tianshan Manshion, No. 30, Tian Shan Road,Shanghai, 200336, China. null,nullChina
Contact Supplier

89-25-8 3-Methyl-1-phenyl-2-pyrazolin-5-one

  • China Winchem Industrial Co. Ltd. [Manufacturer, Trading Company]
  • Tel: 86-574-83851061 86-574-87083208
  • Fax: 86-574-87083209
  • Address: Room 905, No.3 Building,East Business Center, 456 Xingning Road, Ningbo City,China null,nullChina
Contact Supplier

89-25-8 1-Phenyl-3-Methyl-5-pyrazolone

  • China CIDIC Co.,Ltd. null
  • Fax: +86-510-82303031
  • Address: 15/F, HODO International Plaza, 531 Zhongshan Road, Wuxi, China null,nullChina
Contact Supplier

89-25-8 3-Methyl-1-phenyl-2-pyrazolin-5-one

Contact Supplier

89-25-8 1-PHENYL-3-METHYL-5-PYRAZOLONE

  • China Dintech Chemical Co.,Ltd. null
  • Fax: +86-510-82720323
  • Address: 20-D,Huaguang Mansion,333 Zhong Shan Road,Wuxi,China. null,nullChina
Contact Supplier

89-25-8 1 Phenyl 3 Methyl 5 Pyrazolone

  • China Nanjing Samwon International Limited [Importer/Exporter]
  • Tel: +86-(25)-84873444
  • Fax: +86-(25)-84507436
  • Address: 1108, BLDG B, New Century Plaza, No 1, South Taiping Rd., Nanjing, Jiangsu 210002, Nanjing,JiangsuChina
Contact Supplier

Select to

References of 5-methyl-2-phenyl-4H-pyrazol-3-one
Title: Norphenazone
CAS Registry Number: 89-25-8
CAS Name: 2,4-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
Synonyms: 3-methyl-1-phenyl-2-pyrazolin-5-one; 1-phenyl-3-methyl-5-pyrazolone; C.I. Developer 1; developer Z; norantipyrine
Manufacturers' Codes: MCI-186
Molecular Formula: C10H10N2O
Molecular Weight: 174.20
Percent Composition: C 68.95%, H 5.79%, N 16.08%, O 9.18%
Literature References: Free radical scavenger; metabolite of antipyrine, q.v. Prepn: L. Knorr, Ann. 238, 137 (1887). Structural determn by NMR and IR: R. Jones et al., Tetrahedron 19, 1497 (1963); F.-D. H?ppner et al., J. Prakt. Chem. 318, 555 (1976). Crystal structure: F. Bechtel et al., Cryst. Struct. Commun. 3, 469 (1973). HPLC determn in urine: M. A. Mikati et al., J. Chromatogr. 433, 305 (1988). Anti-ischemic and radical scavenging actions: T. Watanabe et al., J. Pharmacol. Exp. Ther. 268, 1597 (1994).
Properties: White crystals from benzene, mp 129-130°. Also reported as mp 127° (Knorr). bp265 287°.
Melting point: mp 129-130°; mp 127° (Knorr)
Boiling point: bp265 287°
Therap-Cat: In treatment of stroke.