methylsulfonyl methane(MSM): We are in a position to supply MSM. CAS: 67-71-0 Content: 99. 9% Min Mesh size: 20-40mesh,40-60mesh,60-80mesh Color: White crystalline powder Methylsulfonylmethane(MSM) Benefits: relieving pain and inflammation in muscles and jointsimprovement of joint flexibilityreducing stiffness and swelling, improving of circulationreducing pain in systemic inflammatory disorders such as arthritisreducing scar tissue, and breaking up calcium deposits