Rutin 1541

11 DESCRIPTION BRUKINSA (zanubrutinib) is a kinase inhibitor.‍‍‍‍‍‍​​​‍​​​​​​ The empirical formula of zanubrutinib is C 27 H 29 N 5 O 3 and the chemical name is ( S )-7-(1-acryloylpiperidin-4-yl)-2-(4-phenoxyphenyl)-4,5,6,7-tetrahydropyrazolo[1,5- a ]pyrimidine-3-carboxamide. Zanubrutinib is a white to off-white powder, with a pH of 7.8 in saturated solution. The aqueous solubility of zanubrutinib is pH dependent, from very slightly soluble to practically insoluble. The molecular weight of zanubrutinib is 471.55 Daltons. Zanubrutinib has the following structure: Each BRUKINSA capsule for oral administration contains 80 mg zanubrutinib and the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, magnesium stearate, microcrystalline cellulose, and sodium lauryl sulfate. The capsule shell contains edible black ink, gelatin, and titanium dioxide. Each BRUKINSA tablet for oral administration contains 160 mg zanubrutinib and the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, lactose monohydrate, magnesium stearate, microcrystalline cellulose, povidone, and sodium lauryl sulfate. The film coating contains FD&C Blue No. 1, FD&C Blue No. 2, hypromellose, titanium dioxide, and triacetin. Chemical Structure