Synonyms : Interleukin-6; B Cell Stimulatory Factor 2; BSF-2; CTL Differentiation Factor; CDF; Interferon β2; IFN-β2
Host :  CHO cell
Sequence :  The extracellular domain of human IL-6 (NP_000591.1)(Val30-Met212) is fused to the N-terminus of the Fc portion of human IgG1.
Molecular Mass :  47 KDa (monomer)
Purity :  >98%，by SDS-PAGE under reducing conditions. 
Endotoxin Content :  <0.06 EU/μg as determined by LAL test.

Activity :  Measured  by  the  dose-dependent  stimulation  of  the  proliferation  of  IL-6 dependent mouse 7TD1 cells 
Formulation :  Lyophilized from 0.2μm-filtered solution in PBS.
Reconstitution :  Reconstitute at 100μg/ml in sterile PBS.
Use / Stability :  Stable for at least 1 year after receipt when stored at -20°C. Working aliquots are stable for up to 3 months when stored at -20°C.Avoid freeze/thaw cycles.