Detailed Description  TESTING RESULTITEMSPECIFICATIONRESULTAppearanceWhite crystalline powderConformsAssay(on dry basis)98.0% ~ 102.0%98.40%Specific Rotation[a]D20+14.5o ~ +16.5o+15.0 oTransmittanceNLT 95%99.1%Loss on dryingNMT 4.5%3.3%Residue on ignitionNMT 0.2%0.04%Heavy Metals (as Pb)NMT 10 mg/kg5-benzyl-3,6-dioxo-2-piperazineacetic acidNMT 1.5%0.56%Other related substancesNMT 2.0%0.83%CONCLUSION: BE IN ACCORDANCE WITH FCCIV