Naturally occuring ubiquitous antioxidant which is found in many cells at concentrations up to 2 mM. Peroxynitrate ONOO- scavenger-induced oxidative damage.Naturally occuring ubiquitous antioxidant which is found in many cells at concentrations up to 2 mM. Peroxynitrate ONOO- scavenger. Protects human neuronal hybridoma cell line (N-18-RE-105) from ONOO--induced oxidative damage. Product Specification Formula:C9H15N3O2S MW:229.3 CAS:497-30-3 Purity:≥98% (TLC) Appearance:White solid. Solubility:Soluble in water. Long Term Storage:-20°C