Description Saffron, 95+%, Certified, 5g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Purity by UV-VIS 95+% Purity by Elemental Analysis [C] 73.1% [H]) 7.3% [O] 19.4% Appearance Brown fibrous pieces Heavy Metals by HPLC (As) <0.0001% (Cd) <0.0001% (Hg) <0.0001% (Pb) <0.0001% UV Absorption Emission Peak at 543nm under 436nm excitation Suitable for fluorescence microscopy CAS: 8022-19-3 FORMULA: C20H24O4