Neostigmine Metilsulfate

Neostigmine Metilsulfate Impurities & Reference Standards

Neostigmine Metilsulfate is a widely used active pharmaceutical ingredient (API) that plays a central role in modern drug formulation and manufacturing. Neostigmine Metilsulfate is registered under CAS Number 51-60-5. The compound carries the molecular formula C13H22N2O6S, corresponding to a molecular weight of 334.4 g/mol. High-purity Neostigmine Metilsulfate and its related substances / process impurities are essential for analytical method development, method validation, quality control, and regulatory submissions under ICH, USP, BP, and EP guidelines. Neostigmine Metilsulfate is available as a certified impurity reference standard with CoA, HPLC chromatograms, and spectroscopic data to support analytical method development and regulatory compliance.