SGS, ISO 9001-2000 Total Nitrogen:46% By Weight Minimum Biuret:1.0 % By Weight Maximum HOTUrea CAS: 57-13-6 Formula: CO(NH2)2 Purity: 46% SGS, ISO 9001-2000Urea Product name:UREA 46% Invoice No Batch NO.20120214Inspection Date:FEB.28,2012Produce Date FEB.14,2012Period of ValideFEB.14,2014ItermsIndex Total nitrogen46%minBiuret1.0%maxMoisture0.5%maxCONCLUSIONQUALIFIED Urea46%