Ibrutinib Impurity 121

• Synonyms:

  4-butoxy-3- (4-phenoxyphenyl) -1H-pyrazolo[3,4-d]pyrimidine

• Molecular Formula:

  C21H20N4O2

• Molecular Weight:

  360.42

• Target Alternative Name:

  Ibrutinib

• Product Name Synonym:

  4-butoxy-3- (4-phenoxyphenyl) -1H-pyrazolo[3,4-d]pyrimidine