MelanotanⅡAcetate CAS NO 121062-08-6 purity :98% min 1 Appearence White powder White powder 2 Solubility Soluble in water or 10% acetic acid at a concentration of ≥1mg/ml to give a clear,colorless solution Conforms 3 Specific Optical Rotation -50.0~-60.0(c=0.5,10%HAc) -53.2° 4 Amino Acid Composition ±10% of theoretical Conforms 5 Peptide Purity(By HPLC) ≥97.0% by area integration 99.41% 6 Related Substance(By HPLC) Total Impurities(%)≤3.0% Largest Single Impurity(%)≤1.0% 0.59% 0.16% 7 Acetate Content (By HPLC) ≤15.0% 6.4% 8 Water Content(Karl Fischer) ≤8.0% 5.2% 9 Bacterial Endotoxins ≤5IU/mg Conforms 10 Assay(By Anhydrous, Acetic Acid-free) 95.0~105.0% 99.2%