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ChemicalBook >  Product Catalog >  Analytical Chemistry >  Standard >  Pharmaceutical Impurity Reference Standards >  3,3'-diMethyl-1,1'-diphenyl-1H,1'H-4,4'-bipyrazole-5,5'-diol

3,3'-diMethyl-1,1'-diphenyl-1H,1'H-4,4'-bipyrazole-5,5'-diol

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3,3'-diMethyl-1,1'-diphenyl-1H,1'H-4,4'-bipyrazole-5,5'-diol Basic information

Product Name:
3,3'-diMethyl-1,1'-diphenyl-1H,1'H-4,4'-bipyrazole-5,5'-diol
Synonyms:
  • 3,3'-diMethyl-1,1'-diphenyl-1H,1'H-4,4'-bipyrazole-5,5'-diol
  • Edaravone Impurity 4
  • Edaravone Impurity 23
  • Edaravone-1
  • Edaravone impurity 2/Edaravone Dimer/ 3,3’-Dimethyl-1,1’-diphenyl[4,4’-bi-1H-pyrazole]-5,5’-diol
  • [4,4'-Bi-1H-pyrazole]-5,5'-diol, 3,3'-dimethyl-1,1'-diphenyl-
  • 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol
  • Edaravone Impurities557
CAS:
177415-76-8
MF:
C20H18N4O2
MW:
346.38
Mol File:
177415-76-8.mol
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3,3'-diMethyl-1,1'-diphenyl-1H,1'H-4,4'-bipyrazole-5,5'-diol Chemical Properties

Melting point:
>300 °C
Boiling point:
520.0±50.0 °C(Predicted)
Density 
1.31±0.1 g/cm3(Predicted)
pka
7.34±0.50(Predicted)
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3,3'-diMethyl-1,1'-diphenyl-1H,1'H-4,4'-bipyrazole-5,5'-diol Usage And Synthesis

Uses

3,3''-Dimethyl-1,1''-diphenyl[4,4''-bi-1H-pyrazole]-5,5''-diol is used in palladium N-heterocyclic carbene catalyzed regioselective C-C and C-N functionalization reactions of arylmethylpyrazolones.

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