Aspectus : White powder Specific Optical Rotation (c=0.5,10% HAc) :-50.0~-60.0° Water Content(Carolus Fischer) : ≤5.0% Acetate Content(per HPLC *) : ≤15.0% Amino Acid Composition :±10% of theoretical Purity(per HPLC *) : ≥98.0% Single Impurity(per HPLC *) : ≤1.0% Peptide Content(by %N) : ≥80% Assay(per Anhydrous, Acidum aceticum-liberum ) : 95.0~105.0% Bacterial Endotoxins : ≤5EU/mg