L-Tyrosine, 99.4%, 100g For Research & Development Not for drug, human, animal, or food use
Certificate of Analysis: Appearance (Color) White Appearance (Form) Crystalline powder Assay (Dry Basis) 99.4% Ammonium (NH3) 0.005% Arsenic (As) 0.2 ppm Cell Culture Passes test Heavy Metals (as Pb) 3 ppm IR Spectrum Conforms to structure Loss on Drying 0.04% Other Amino Acids Chromatographically not detectable Residue on Ignition 9.1% Specific rotation -11.4º