L-Lysine Hydrochloride Molecular Formula C6H14N2O2 . HCl CAS No. 657-27-2 Molecular Weight 182.65 Other Names L-Lysine monohydrochloride; L-Lysine . HCl Appearance White Crystal Powder Melting Point 263-264°C Solubility It readily solves in water, slightly in ethanol and ethyl ether. Packaging 25KG Kraft Bag/ Fiber Drum Grade Pharmaceutical Grade Usages: Lysine is one of the most import eight kinds amino acid . L-Lysine .HCl is mainly used as nutritional supplement for children and patients . It’s normally used together with vitamin, inorganic salt and other essential amino acid . Used as ancillary drug treating cerebropathy . Treating the symptoms, like anorexia and malnutrition.