ED50: 1 ng/ml, as determined by its ability to stimulate proliferation of mouse 3T3 fibroblasts, corresponding to a Specific Activity of 1,000,000 IU/mg.
Purity
>98% as determined by SDS-PAGE.
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from a solution containing 20 mM Sodium Phosphate without carriers.
Storage
Shipped at ambient temperature. Lyophilized: Short term (3 weeks) store at 25°C. Long term store desiccated below -18°C. Reconstituted: Short term (2-7 days) store at 4°C. Long term store below -18°C. Avoid freeze/thaw cycles.