sodium pantothenate and its Impurities

A sodium salt of Panthenol, which is a provitamin of B5. It is used in cosmetics and personal care products as a moisturizer. Panthenol comes in two enantiomers, D and L out of which D-panthenol (dexpanthenol) is biologically active. Reference standards of Sodium Pantothenate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.