1.Probenecid Cas:57-66-9 Assay:exceed 98.5% Appearance: white crystalline power Melting point:198-201 centigrade Chloride:less than 0.018% Sulfate:less than 0.025% Residue on ignition:less than 0.1% Heavy metals;less than 10ppm Acceptance standard: CP2005 Package: 25kg/barrel Capacity; ten ton/month