S-Methyl-L-thiocitrulline . dihydrochlorideNOS inhibitorInhibitor of neuronal nitric oxide synthase (nNOS; NOS I). Product SpecificationFormula: C7H15N3O2S . 2HCl MW: 205.3 . 73.0 CAS: 209589-59-3 Purity: ≥97% Appearance: White to off-white solid. Solubility: Soluble in water. Long Term Storage: +4°C Handling: Protect from light and moisture. Packaged under inert gas. Hygroscopic.