Chondroitin sulfate sodium (Standard) is the standard substance of Chondroitin sulfate sodium, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Chondroitin sulfate sodium (Chondroitin polysulfate sodium) is a naturally occurring glycosaminoglycan extracted from animal cartilage that is used as a food supplement with antitumor activity, reduces inflammatory mediators and apoptotic processes, and decreases the production of inflammatory cytokines, iNOS, and MMPs, and may be used in the study of Osteoarthritis.