Roxadustat (Standard) is the analytical standard of Roxadustat. This product is intended for research and analytical applications. Roxadustat is an orally active hypoxia-inducible factor (HIF) prolyl-hydroxylase (PHD) inhibitor (HIF-PHI) that promotes erythropoiesis through increasing endogenous erythropoietin, improving iron regulation, and reducing hepcidin[1].