With the CAS registry number 39455-18-0, Chondroitin sulfate A sodium salt is also named as Chondroitin 4-sulfate sodium salt. The molecular formula is (C₁₄H₁₉NO₁₄SNa₂)_n. It is white or slightly yellow amorphous powder which is sensitive to moisture, easily soluble in water and normal saline, and insoluble in organic solvents such as ethanol and acetone. Additionally, this chemical should be stored in the temperature of 2-8 °C and avoided direct sunshine.

Uses of Chondroitin sulfate A sodium salt: It is a kind of mucopolysaccharide which is used as raw material of health care medicine and beauty products. This product has good anti-aging function that can be used as additive of beauty products and food. After processing, it also can be used for some of the nervous headaches, neuralgia, joint pain, migraine, atherosclerosis and so on.