NP-40 Lysis High Salt Buffer Solution is a 1X buffer used for extracting proteins from cells. pH: 7.8-8.2CAS Number: 1185-53-1, 7647-14-5, 6381-92-6, 9016-45-9Solubility: Soluble in WaterStorage Temperature: +2-8CResearch or further manufacturing use only, not for food or drug use.