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ChemicalBook >  Product Catalog >  Analytical Chemistry >  Standard >  Pharmaceutical Impurity Reference Standards >  Benzonitrile, 4,4'-[[2,2'-bis(hydroxymethyl)[1,1'-biphenyl]-4,4'-diyl]bis(oxy)]bis-

Benzonitrile, 4,4'-[[2,2'-bis(hydroxymethyl)[1,1'-biphenyl]-4,4'-diyl]bis(oxy)]bis-

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Benzonitrile, 4,4'-[[2,2'-bis(hydroxymethyl)[1,1'-biphenyl]-4,4'-diyl]bis(oxy)]bis- Basic information

Product Name:
Benzonitrile, 4,4'-[[2,2'-bis(hydroxymethyl)[1,1'-biphenyl]-4,4'-diyl]bis(oxy)]bis-
Synonyms:
  • Benzonitrile, 4,4'-[[2,2'-bis(hydroxymethyl)[1,1'-biphenyl]-4,4'-diyl]bis(oxy)]bis-
  • 4-((2,2'-bis(hydroxymethyl)-4'-(4-isocyanophenoxy)-[1,1'-biphenyl]-4-yl)oxy)benzonitrile
  • Crisaborole Diamer
  • 4,4'-((2,2'-bis(hydroxymethyl)-[1,1'-biphenyl]-4,4'-diyl)bis(oxy))dibenzonitrile
  • Crisaborole Dimer ImpurityQ: What is Crisaborole Dimer Impurity Q: What is the CAS Number of Crisaborole Dimer Impurity
CAS:
2254541-79-0
MF:
C28H20N2O4
MW:
448.47
Mol File:
2254541-79-0.mol
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Benzonitrile, 4,4'-[[2,2'-bis(hydroxymethyl)[1,1'-biphenyl]-4,4'-diyl]bis(oxy)]bis- Chemical Properties

Boiling point:
702.3±60.0 °C(Predicted)
Density 
1.37±0.1 g/cm3(Predicted)
pka
13.95±0.10(Predicted)
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Benzonitrile, 4,4'-[[2,2'-bis(hydroxymethyl)[1,1'-biphenyl]-4,4'-diyl]bis(oxy)]bis- Usage And Synthesis

Uses

Crisaborole Diamer Impurity is an impurity of Crisaborole (H947928). Crisaborole is a series of phenoxy benzoxaboroles were synthesized and screened for their inhibitory activity against PDE4 and cytokine release. 5-?(4-?Cyanophenoxy)?-?2,?3-?dihydro-?1-?hydroxy-?2,?1-?benzoxaborole (AN2728) showed potent activity both in vitro and in vivo. AN2728 is being studied as an anti-inflammatory agent.

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