Description Of Endothelin 1

[Products Name]    Endothelin 1
[Molecular Formula]          C₁₀₉H₁₅₉N₂₅O₃₂S₅
[CAS No.]      117399-94-7
[Molecular Weight]      2491.90
[Product Description]
1.Purity (HPLC)                                                 98%min.
2.Appearance                                              White powder
3.Single Impurity (HPLC)                             1.0%max
4.Amino Acid Composition                    ±10% of theoretical
5. Peptide Content (N%)                              ≥80.0%
6. Water Content (Karl Fischer)                  ≤6.0%
7. Acetate Content (HPIC)                           ≤15.0%
8. MS (ESI)                                                      Consistent
9. Mass Balance                                            95.0~105.0%

From:http://www.polypeptides.net/polypeptides/Polypeptide/Endothelin-1/