Specification Product Name: N-Acetyl-L-Cysteine USP24 Molecular Formula: C5H9NO3S CAS No: 616-91-1 Contents of Testing Specification Description White crytals or crystalline powder Assay 98.5～101.0 % PH 2.0～2.8 Specific rotation[a]D20º + 21.3º～+ 27.0º Transmittance (T430) 98.0% Min Chloride(CL) 0.04 % Max Ammonium(NH4) 0.02 % Max Sulfate(SO4) 0.030% Max Iron(Fe) 20ppm Max Heavy metals(Pb) 10ppm Max Arsenic(As2O3) 1ppmMax Other amino acids Conforms Loss on drying 0.5 % Max Residue on ignition 0.20 % Max Melting point 106～110º

We make no therapeutic claims regarding our materials; Therapeutic is defined by the Australian Therapeutic Goods Administration (TGA) as: * Influencing, inhibiting or modifying a physiological process in people or animals ; and /or * Testing the susceptibility of persons or animals to a disease ailment; and/or * Influencing, controlling or preventing conception in persons; and/or * Preventing, diagnosing, curing or alleviating a disease, ailment, defect or injury in a person or animal