sodium thiosulfate and its Impurities

Sodium Thiosulfate Injection is a cyanide antidote which contains one 50 mL glass vial containing a 25% solution of Sodium Thiosulfate Injection. It is used as a medication to treat cyanide poisoning, pityriasis versicolor, and to decrease side effects from cisplatin.Reference standards of Sodium Thiosulfate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.