L-CitrullineIntermediate in NO biosynthesisEssential intermediate in the biosynthesis of nitric oxide from L-arginine. Product SpecificationFormula: C6H13N3O3 MW: 175.2 CAS: 372-75-8 MI: 14: 2331 Purity: ≥98% (TLC) Appearance: White to off-white solid. Solubility: Soluble in water or 1M HCl. Long Term Storage: Ambient