Sodium 2-mercaptoethanesulfonate (Standard) is the analytical standard of Sodium 2-mercaptoethanesulfonate. This product is intended for research and analytical applications. Mesna (Sodium 2-mercaptoethanesulfonate) is an antioxidant which has cytoprotective effects. Mesna is widely used as a systemic protective agent against chemotherapy toxicity. Mesna is also used to reduce hemorrhagic cystitis induced by cyclophosphamide^[1][2].