1:Specialized manfacturer 2: R&D team and cooperates closely 3: Free Sample available for your test. ... plants[Active ingredient] Curcumin[CAS NO] 13190-97-1[Specification] 95%[Molecular Formula] C21H20O6[Molecular weight] 368.38[Assay Method] HPLC ... from USA, Europe, Japan, Korea, South East Asia etc. Curcumin 95% Hplc,Cas.458-37-7,Turmeric Root Extract