Greater than 98% by SDS-PAGE gel and HPLC analyses.
Biological Activity:
Determined by its ability to stimulate the proliferation of mouse D10S cells. The expected ED50 is ≤0.001 ng/ml, corresponding to a specific activity of ≥1 x 109 units/mg.
Country of Origin:
USA
Research Use Only. Not for use in diagnostic or therapeutic procedures.