... off-white powderSource: Pure Bovine/Porcine cartilagePurity: 90% (95% and 98% available with differe...Assay: CPC and or ... .Delivery Detail:Qigdao Port Specifications1. Chondroitin Sulfate( 85%,90%,95%,98%) 2. Origin:bovine ,porcine 3. comply with ... ) RESULTApperancewhite to off-white powderpassIdentificationInfra Red confirmed (USP197K),Sodium reaction(USP191)Pass,PositiveAssay90%-105%(CPC) 92.8%Loss ...