Doxorubicin Impurity 6 Catalogue D335736 CAS 60873-68-9 (free base:65026-79-1) M.W 606.42(free base),687.33 M.F C27H28BrNO10.HBr Specifications FAQs (8S,10S)-10-(((2R,4S,5S,6S)-4-amino-5-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-8-(2-bromoacetyl)-6,8,11-trihydroxy-1-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione hydrobromide salt