Tested using: 4MBr-5 cell proliferation. Less than or equal to 60 ng/mL and greater than or equal to 1.7 x 10^4 units/mg. Typical ED50 is less than 5 ng/mL.
Endotoxin
Less than 1.0 EU/µg protein (determined by LAL method).
Presentation
Lyophilized from sterile filtered 10 mM sodium phosphate, pH 7.5, 100 mM sodium chloride
Reconstitution
Reconstitute in sterile water to 0.1 mg/ml
Storage
Store at -20°C to -80°C for up to 1 year. Store at 4°C for up to 1 month or up to 3 months at -20°C to -80°C after reconstitution.