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Ibrutinib intermediate is a small molecule drug that binds permanently to a protein, Bruton’s tyrosine kinase, that is important in B cells. It is used to treat B cell cancers like mantle cell lymphoma, chronic lymphocytic leukemia, and Waldenström’s macroglobulinemia


Ibrutinib intermediate


Intermediate CAS No’s API/End Use Status Purity
4-Aminopyrazolo[3,4-d]pyrimidine 2380-63-4 Ibrutinib Commercial NLT 99%