Long term: -80 degree C Stable for at least 1 year after receipt when stored, as supplied, at -80 degree C. Open ampule and aliquot into suitable tubes or vials. Store at -80 degree C or colder. For experiments with cells or tissues, aliquots of ethanol solutions may be added directly to aqueous media. For HPLC, aliquots of ethanol solutions should be evaporated to dryness under a stream of nitrogen and HPLC mobile phase added to the desired concentration.
