Product Name:Cysteamine HCl CAS NO.:156-57-0 Structural formula: Molecular formula:C2H7NS.HCl Molecular weight:113.61 Appearance: White Powder Assay :≥99% Fe≤3ppm SO-2≤0.5% Loss on drying:≤0.5% Melting point:66-70℃ Packing: 25kg/drum