Exenatide Acetate CAS NO 141732-76-5 purity :98% min 1 Appearance White powder White powder 2 Solubility Soluble in water or 1% acetic acid at a concentration of 1mg/ml Conforms 3 Amino Acid Composition ±10% of theoretical Conforms 4 Peptide Purity (By HPLC) ≥ 98.0% by area integration 99.1% 5 Related Substance (By HPLC) Total Impurities(%) ≤ 2.0% 0.9% 6 Peptide Content(N determination) ≥ 80.0% 84.6% 7 Acetate Content ≤ 15.0% 10.2% 8 Water Content (Karl Fischer) ≤ 6.0% 4.8% 9 Bacterial Endotoxins ≤5EU/mg Conforms