Product Info.
 
Thymosin 1 Acetate
CAS No. 62304-98-7
Molecular Formula C129H215N33O55
Molecular Weight 3108.3
Storage 2~8
Batch No. 20071028
Manufacturing Date 2007-10-25
Retest Date 2009-10-24
Sequence
TEST ITEMS SPECIFICATION RESULT
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