2,3-Diphospho-D-glyceric acid (pentasodium salt)

2,3-Diphospho-D-glyceric acid pentasodium salt is a highly anionic polyphosphorus compound. 2,3-Diphospho-D-glyceric acid is present in the concave center of red blood cells, it binds hemoglobin to reduce its oxygen affinity. 2,3-Diphospho-D-glyceric acid is an endogenous, selective inhibitor of vascular calcification (VC) and significantly delays the formation of crystalline calpain particles (CPP). 2,3-Diphospho-D-glyceric acid also inhibits calcification in mouse vascular smooth muscle cell line (MOVAS) without cytotoxic effects.