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

Contact Supplier

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

  • China Beijing NAB International Co.,Ltd null
  • Tel: +86-533-8405553
  • Fax: 86-533-8405658
  • Address: Room 3A06, G Tower, Jinyu International Building Wangjing West Road, Beijing, P.R.C. null,nullChina
Contact Supplier

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

  • China sklichem lab [Manufacturers]
  • Tel: +86-13764363574
  • Fax: +86-13764363574
  • Address: No.21, Tangxi Road,Suzhou New District,215151,China null,JiangsuChina
Contact Supplier

89-25-8 EDARAVONE

  • United States LGM Pharma [Manufacturer]
  • Tel: 561-981-9994
  • Fax: 561-892-0580
  • Address: 922 Clint Moore Road
    Boca Raton, FL 33487 null,nullUnited States
Contact Supplier

89-25-8 MACROLEX YELLOW 3G GRAN

  • Germany LANXESS [Manufacturer]
  • Tel: +49-(0)214 / 30-33333
  • Address: LANXESS headquarters
    Building K 10
    D-51369 Leverkusen
    Germany null,nullGermany
Contact Supplier

89-25-8 5-METHYL-2-PHENYL-2,4-DIHYDRO-PYRAZOL-3-ONE

Contact Supplier

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

  • China Lightchem Limited [Manufacturers]
  • Tel: +86-(571)-85983207, 56330213
  • Fax: +86-(571)-56256861
  • Address: Room 417, Liangyou Building, No. 64 Xinshi Street, Hangzhou, Zhejiang 310014, null,ZhejiangChina
Contact Supplier

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

  • China Wuhan Borui Fine Chemical Co., Ltd. [Manufacturers]
  • Tel: +86-(27)-8355-0361
  • Fax: +86-(27)-8353-0221
  • Address: No.448 Jinghan Road, QiaoKou, Wuhan, Hubei 430022, Wuhan,HubeiChina
Contact Supplier

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

  • China Rota Pharm & Chem Co., Ltd. null
  • Tel: +86-(571)-8836-9502
  • Fax: +86-(571)-8791-8114
  • Address: Room 401,Hangzhou Friendship Plaza,No.74 Bbaochu Road, Hangzhou, Zhejiang, null,nullChina
Contact Supplier

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

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.