in stock,good quality Black Pepper Ext 95% Piperine HPLC(Piper nigrum)Date of Mfg: 12/2010Date of Exp: 11/ ... Drying < 5.0% 3.89%Identification by HPLC Positive CompliesHeavy Metals <10ppm CompliesAssay (By HPLC on dried basis) > 95% 95.48%MicrobiologicalTotal ... ,and to reduce pain and fever 95% 98% Piperine by HPLC CAS #:94-62-2