1,CAS NO: 29552-41-8 2,Caffeine 22% HPLC 3,Form: Powder 4,Test Method: HPLC/UV Details ... of product1.Guarana Extract Powder 2.Caffeine10%;22% 3. Appearance:Brown powder 4.Latin Name: Paullinia cupana Kunth5 ... pain and fatigue.application of product Guarana extract with Caffeine 22% HPLC