Supplied as lyophilized and purified antibody originally containing PBS, without Preservative Stabilizers, liking Sodium Azide. It final concentration is indicated in shipping vial. Please avoid freeze-thaw cycles. The antibody is stable for at least years from the data of receipt when stored at -20° C to -70° C. Reconstituted antibody (suggesting with sterile PBS) can also be aliquotted and stored frozen at -20° C to -70° C in a manual defrost freezer for months without detectable loss activity. Upon reconstitution, the antibody can be stored at 4° C for 1 month.