... white powderSource: Pure Bovine/Porcine cartilagePurity: 90% (95% and 98% available with differe...Assay: CPC and or HPLC Packaging & ... Delivery Detail:Qigdao Port Specifications1. Chondroitin Sulfate( 85%,90%,95%,98%) 2. Origin:bovine,porcine 3. comply with USP324: ... 5(USP791) 6.6Specific Rotationminus 12°-minus18°(USP981S) -15.7° Chloride NMT0.5% (USP221) Pass Sulfate NMT0.24% (USP221) Pass ...