内毒素:Less than 1.0 EU/μg as determined by LAL method.
生物活性:Fully biologically active when compared to standard. The ED50 as determined by a cell proliteration assy using rat Nb2-11 cells is less than 1.0 ng/ml, corresponding to a speicfic activity of> 1.0 x10^6 IU/mg.