Doxorubicin Impurity 5 Catalogue D335735 CAS 148218-14-8(free base:106401-68-7 ) M.W 652.49(free base),733.40 M.F C29H34BrNO11.HBr Specifications FAQs (8S,10S)-10-(((2R,4S,5S,6S)-4-amino-5-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-8-(2-bromo-1,1-dimethoxyethyl)-6,8,11-trihydroxy-1-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione hydrobromide salt