Nα-Boc-L-arginine is an N-Boc protected form of L-Arginine (A769505). L-Arginine is an conditionally essential amino acid for humans and adult mammals as it's requirements exceed production during certain developmental stages in life (such as pregnancy). L-Arginine also prevents blood toxicity from intravenous amino acid administration in humans. Molecular Formula: C11H22N4O4.HCl Solubility: Acetic Acid (Sparingly), DMSO (Slightly), Methanol (Slightly), Water (Slightly) Molecular Weight: 310.76