Store vial at 4C prior to restoration.After reconstitution with 2.0 mL deionized water (or equivalent), aliquot contents and freeze at -20C or below for extended storage.Aliquot to avoid repeated freezing and thawing.Centrifuge product if not completely clear after standing at room temperature. This product is stable for several weeks at 4C as an undiluted liquid. Dilute only prior to immediate use.