Description Amberlite CG-400(CI-), 200-400 mesh, 25g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) Beige Appearance (Form) Powder Particle Size (Mesh) 200-400 Loss on drying, <20% @ 110°C CAS: 37247-87-3 FORMULA: N/A