[ackage: 1mg/vial Catalog# S02-001-005 Package Size 100ug 1mg Supplied Lyophilized powder Source E. Coli Purity >98% by SDS-Page analysis Storage The lyophilized powder is stable at room temperature but it is best stored desiccated below 0 Deg C. Reconstituted EGF should be stored in working aliquots at -20DEG C. AVOID FREQUENT FREEZE THAW CYCLES.