Pantoprazole sodium sesquihydrate (recommended International Non-proprietary Name), a substituted benzimidazole, is a substance described in the Ph Eur. The active substance is chemically designated as sodium 5-(difluoromethoxy)-2-[(RS)-[(3,4-dimethoxypyridin- 2-yl)methyl] sulphinyl] benzimidazol-1-ide sesquihydrate (Chemical Name). The active substance can exist as enantiomers due to the presence of an unsymmetrical substituted sulphoxide group. No difference has been found in the in-vitro or in-vivo activity of the two enantiomers.
Pantoprazole sodium Sesquihydrate Ph. Eur.
