|Color||white to off-white|
|Purity by SDS-Page||>=98%|
|Purity by HPLC||>=98%|
|Endotoxin Level||<= 1 EU/ug|
|Biological Activity||Determined by the dose-dependent stimulation of the proliferation of human TF-1 cells. The expected ED50 for this effect is 20-40 ng/ml.|
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