halofuginone and its Impurities
halofuginone salts are used against protozoan parasites in cattle. It is a coccidiostat. It is a synthetic halogenated derivative. Reference standards of Halofuginone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


rel-(2R,3S)-2-[3-(7-Bromo-6-chloro-4-oxo-3(4H)-quinazolinyl)-2-oxopropyl]-3-hydroxy-γ-oxo-1-piperidinebutanoic acid
rel-(2R,3S)-2-[3-(7-Bromo-6-chloro-4-oxo-3(4H)-quinazolinyl)-2-oxopropyl]-3-hydroxy-γ-oxo-1-piperidinebutanoic acid
Catalogue No.:PA 08 0521007
CAS :
151749-58-5
Molecular Formula : C20H21BrClN3O6
Molecular Weight : 514.76