Name Human Interferon α-2a (INF-α 2a) Description Bioactivity is detected using WISH cell (a heteroploid human amnion cell line). The specific activity shall be not less than 2.0×107 IU/mg of protein. Purity ≥ 97% (by SDS-PAGE and HPLC) Endotoxin ≤ 1 EU per mg of purified protein by LAL test Size 20 µg |