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NameEptifibatide; 

Sequence  Mpr-Har-Gly-Asp-Trp-Pro-Cys-NH2 

Cas No. 148031-34-9 

Molecular FormulaC35H49N11O9S2

Molecular Weight832.4

AppearanceWhite slightly yellwish powder

Specific Rotation[20/D] -75.0～-95.0°（C=1，1%HAc）  

Amino Acids composition± 10%

Peptide Purity (By HPLC)≥98% by area integration

Related Substance (By HPLC) Total Impurities (%)≤2.0%  Largest Single Impurity (%)≤ 1.0%

Water Content (Karl Fischer)≤8.0%

Peptide Content(N determination)≥80%

Acetate Content≤15%

IR spectrum in accordance