netilmicin sulfate and its Impurities

Netilmicin Sulfate is only used in the treatment of serious infections particularly those resistant to gentamicin. It is a semisynthetic 1-N-ethyl derivative of sisomycin. It is not absorbed from the gut and is therefore only given by injection or infusion. Reference standards of Netilmicin Sulfate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.