SPECIFICATIONS:

1. Appearance:  White powder or almost white powder  2. Identity by HPLC:  The retention is same with the reference substance  3. Amino Acid Composition:   Glu: 0.85～1.10                                                  Pro: 0.85～1.10                                                  Leu: 0.90～1.10                                                  Tyr: 0.85～1.10                                                  His: 0.85～1.10                                                  Arg: 0.85～1.10                                                  Ser: Present                                                  Trp: Present   4. Purity(By HPLC): ≥98.0% 5. Related Substance(By HPLC): Total Impurities(%)≤2.0%                                                       Largest Single Impurity(%)≤1.0%  6. Acetate Content(By HPLC): ≤12.0% 7. Water Content(Karl Fischer): ≤8.0% 8. Bacterial Endotoxins:  ≤ 70 IU/mg 9. Assay(By anhydrous, acetic acid-free): 95% ~105%

Packing: plastic vial(dedicated for peptide packing) or glass vial, quantity according to customer's detail requirement.Storage：a cool(2~8 ℃) & dry place protected from light, keep package close when not in use.