ProductNameH-Cys-OMe·HClCASNO.18598-63-5MolecularFormulaC4H9NO2S·HClMolecularWeight171.65WeightPurity(HPLC)98.0%min.SpecificRotation[α]20D-2&plu***n;0.4°(C=8,inMeOH)MeltingPoint135-145°C(dec.)Appearancewhitepowder)