Desmopressin Acetate CAS NO 16789-98-3 purity :98% min 1 Appearance White slightly yellowish powder White powder 2 Identity 1069.24±1.0 1069.5 3 Specific Optical Rotation -72<-82.0°C=1,1%HAc -80.2° 4 Amino Acid Composition ± 10% conforms 5 Peptide Purity (By HPLC) e98% by area integration 98.9% 6 Related Substance (By HPLC) Total Impurities (%)d2.0% Largest Single Impurity(%)d 1.0% 1.1% 0.4% 7 Acetate Content d6% 5.4% 8 Water Content (Karl Fischer) d6.0% 3.2% 9 Peptide Content(N determination) e80% 88.0% 10 Bacterial Endotoxins d 15 EU/mg Conforms