Specification :

Thymosin±1 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) e 98.0% by area integration 98.3%
6 Related Substance (By HPLC) Total Impurities(%) d 2.0% 1.7%
7 Acetate Content d 15.0% 6.8%
8 Water Content (Karl Fischer) d 5.0% 4.3%
9 Bacterial Endotoxins d5EU/mg Conforms