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4,4''-Dimethoxyazoxybenzene

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4,4''-Dimethoxyazoxybenzene Basic information

Product Name:
4,4''-Dimethoxyazoxybenzene
Synonyms:
  • 1,2-Bis(4-methoxyphenyl)diazene
  • 4,4'-Azodianisole
  • Bis(4-methoxyphenyl)diazene
  • Diazene, 1,2-bis(4-methoxyphenyl)-
  • Apixaban Impurity 123
  • Apixaban Impurity 221
  • (E)-1,2-bis(4-methoxyphenyl)diazene? (Apixaban Impurity)
CAS:
501-58-6
MF:
C14H14N2O2
MW:
242.27
Mol File:
501-58-6.mol
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4,4''-Dimethoxyazoxybenzene Chemical Properties

Boiling point:
385.1°C (rough estimate)
Density 
1.1338 (rough estimate)
refractive index 
1.6419 (estimate)
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4,4''-Dimethoxyazoxybenzene Usage And Synthesis

Purification Methods

Chromatograph it on basic alumina and elute with *benzene. Then crystallise the residue from 2:2:1 (v/v) methanol/ethanol/*benzene or Me2CO. [Beilstein 16 H 112, 16 I 237, 16 II 43, 16 III 93, 16 IV 172.]

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