CAS RN 51-60-5 Molecular Formula: C13H22N2O6S Molecular Weight: 334.39 Quality standards: USP30/EP5/CP2010 Appearance: White crystalline powder ; odorless, bitter taste ; wet primer . Solubility: Neostigmine Methylsulfate is highly soluble in water , soluble in ethanol . Content: 98.5-101.5 % Melting point 144-149Celsius Impurity absorption of : Not more than 0.2 Loss on drying Not more than 0.5% Residue on ignition Not more than 0.2% Sulphate Not more than 200ppm Usage: Pharmaceutical raw materials ,Neostigmine Methylsulfate is mainly used as anticholinergic drugs. Packing: 5Kg / drum