KU-55933

≥98% (HPLC), Ataxia telangiectasia (A-T) mutated (ATM) kinase inhibitor, powder CAS Number: 587871-26-9; Synonyms: 2-(4-Morpholinyl)-6-(1-thianthrenyl)-4H-Pyran-4-one,2-(Morpholin-4-yl)-6-(thianthren-1-yl)-4H-pyran-4-one at Sigma-Aldrich