Thymosinα1 Acetate CAS No 62304-98-7 purity :98% min 1 Appearance White or slightly yellowish powder White powder 2 Solubility Soluble in water or 1% acetic acid at a concentration of >1mg/ml to give a clear, colorless solution Conforms 3 Specific Optical Rotation -80.0- -95.0°(c=0.5, H2O) -90.3° 4 Amino Acid Composition ±10% of theoretical Conforms 5 Peptide Purity (By HPLC) ≥ 98.0% by area integration 98.3% 6 Related Substance (By HPLC) Total Impurities(%) ≤ 2.0% 1.7% 7 Acetate Content ≤ 15.0% 6.8% 8 Water Content (Karl Fischer) ≤ 5.0% 4.3% 9 Bacterial Endotoxins ≤5EU/mg Conforms