Chemical Name: Diacerein CAS Number: 13739-02-1 Molecular Formula: C19H12O8 Molecular Weight: 368.29 19H12O8Appearance: Golden porwerIn many in vitro models, therapeutic levels of diacerein and rhein, its active metabolite, have been shown to inhibit the synthesis and activity of IL-1, as well as to stimulate anabolic processes.