PROTAC BRD4 Degrader-42 (Compound P6) is a PROTAC-based BRD4 degrader with a DC50 of 1.11 µM. PROTAC BRD4 Degrader-42 promotes the ubiquitination and degradation of BRD4. PROTAC BRD4 Degrader-42 downregulates c-Myc expression and induces Apoptosis by upregulating BAD and BAX protein expression. PROTAC BRD4 Degrader-42 also exhibits anticancer activity against myeloid monocytic leukemia[1].