1.Chondroitin content: above 90%, above 95%, above 98% 2.Appearance:White Powder 3.USP Correspondence number: C109090 1.Chondroitin content: above 90%, above 95%, above 98%2.Appearance:White Powder 3.USP Correspondence number: C1090904.Test Result-According with the CP 2010, USP 34 and EP 7.0 Glucosamine Chondroitin (Assay: 90%, 95%,98%)