Storage conditions:Transported in ice packs and stored at -20°C. The shelf life is 12 months. ·The cocktail contains a mixture of 8 inhibitors,4 broad inhibitors(sodium fluoride, sodium orthovanadate, sodium pyrophosphate and beta-glycerophosphate.), and 4 special inhibitors ingredients , including Sodium Molybdate,Sodium Tartrate,Imidazole,Cantharidin, provide a more comprehensive phosphatase inhibitory effect.