Acalabrutinib Maleate Monohydrate and its Impurities

Acalabrutinib Maleate Monohydrate is used to treat certain types of cancer. It is a second generation Bruton's tyrosine kinase inhibitor. Reference standards of Acalabrutinib Maleate Monohydrate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.