The chemical L-Arginine has a designated molecular formula of C6H14N4O2 and a molecular weight of 174.204 g/mol. Synonyms may include: Arginine, 4-04-00-02648 (Beilstein Handbook Reference), AI3-24165, (S)-2-Amino-5-((aminoiminomethyl)amino)pentanoic acid, L-alpha-Amino-delta-guanidinovaleric acid, 1-Amino-4-guanidovaleric acid, Arginina [INN-Spanish], (L)-Arginine (VAN), Argininum [INN-Latin], BRN 1725413, CCRIS 3609 (ChemID).