Formula: C19H12O8 Formula weight: 368.29 CAS Number: 13739-02-1 Harmonized Tariff Code:  2918.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

A precursor of rhein, which inhibits IL-1β signaling at 10 µM, suppresses signaling through NF-κB and AP-1, and reduces the expression of MMP-1 and MMP-13; down-regulates the expression of the IL-1β receptor, enhances the expression of TGF-β, and increases collagen and aggrecan.