Pharmaceutical Reference Standards / Impurity Standards

Colistin Sulfate
N-nitroso-colistin a Hydrogen Methanesulfonate-1
N-nitroso-colistin a hydrogen methanesulfonate-2
N-nitroso-colistin a hydrogen methanesulfonate-3
N-nitroso-colistin a Hydrogen Methanesulfonate-4
N-nitroso-colistin a Hydrogen Methanesulfonate-5
N-Nitroso colistin b Hydrogen methanesulfonate 1
N-Nitroso Colistin b Hydrogen Methanesulfonate 2
N-Nitroso Colistin b Hydrogen Methanesulfonate 3
N-Nitroso colistin b Hydrogen methanesulfonate 4
N-Nitroso Colistin b Hydrogen Methanesulfonate 5