Molecular formula: C13H19NO4S CAS NO.: 57-66-9 EINECS NO.: 200-344-3 Molecular weight: 285.36 Standard: CP2010/USP34 [Appearance] white crystalline powder. [Specification]1kg/5kg/10kg/25kg/drum [Packing]drum [Storage]Sealed, kept in dark place [Valid period]24 months Usage:Gout suppressant. The product has very good solubility in organic acid and fat , thus it is very easy to be absorbed back. In the presence of Probenecid, the operation of some organic acids in renal tubular body will be inhibited, and lower the excretion of other organic acids. Therefore, it is very good for the treatment of chronic gout, safe and effective. It has no effects on the pain and inflammation of acute gout, shouldn't be used for the treatment of acute gout.