The activity is determined by its ability to induce proliferation of mouse 3T3 cells and is typically less than 20 ng/ml corresponding to a specific activity of 50,000U/mg.
Purity
>97% as determined by SDS-PAGE.
Product Form
Lyophilized
Concentration
1 mg/ml
Formulation
Lyophilized from a solution containing 5 mM Sodium Phosphate and 50 mM Sodium Chloride, pH 7.5.
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.
