Chemical structure: ( C 14 H 19 NO 14 Sna 2 )n CSA-Na(CAS#39455-18-0) CSC-Na(CAS#12678-07-8) 【Properties】Grey white formless powder, a kind of acid mucopolysaccharide extracted from cartilage, nasal bone, throat bone, trachea of pig, cattle, horse, sheep and chicken etc.. 【Actions and uses】Mainly used in atherosclerosis of coronary artery , blood and cholesterol raise,angina, neuralgia, myocardial ischemia, arteriosclerosis; also used in some nervous headache, neuralgia, arthralgia, migraine, etc.; hearing disorder caused by streptomycin; can also be used in skin beauty. 【Packing】 25KG woven bag or paper bag with plastic lining.