L-arginine: Product name L-Arginine Powder CAS No. 74-79-3   Synonyms (S)-(+)-Arginine;2-Amino-5-guanidinovaleric acid; 2-Amino-5-guanidinopentanoic acid Molecular Formula C6H14N4O2 Appearance White crystalline powder Molecular Weight 174.20 Odor Characteristic EINECS 200-811-1 Water solubility 148.7 g/L (20 ºC) Melting point 223-224 ºC Purity 99.0%-100.0% Shelf life 2 years What is L-Arginine? L-arginine Powder is one of the 20 amino acids that build up …