Shipped at 2-8 degree C, Store it under sterile conditions at -20 degree C to -80 degree C upon receiving. Stability: Store at -20 degree C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20 degree C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-8 degree C.