L-Lysine We have both feed grad and pharmacutical grad. L-Lysine Molecular formula: C6H14N2O2. HCL molecular weight: 182.65 A white or almost white to the free flow of crystalline powder; Almost odourless. Soluble in water and formic acid, soluble in ethanol and ether Quality standard: AJI92, USP26, FCCIV, etc