pidotimod and its Impurities
It is an immunostimulator drug used to prevent respiratory problems in children.Reference standards of Pidotimod API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(R)-3-((S)-4-carboxy-4-((S)-5-oxopyrrolidine-2-carboxamido)butanoyl)thiazolidine-4-carboxylic acid
(R)-3-((S)-4-carboxy-4-((S)-5-oxopyrrolidine-2-carboxamido)butanoyl)thiazolidine-4-carboxylic acid
Catalogue No.:PA 43 26540
CAS :
NA
Molecular Formula : C14H19N3O7S
Molecular Weight : 373.38


(4R,4'R)-3,3'-((S)-2-((S)-5-oxopyrrolidine-2-carboxamido)pentanedioyl)bis(thiazolidine-4-carboxylic acid)
(4R,4'R)-3,3'-((S)-2-((S)-5-oxopyrrolidine-2-carboxamido)pentanedioyl)bis(thiazolidine-4-carboxylic acid)
Catalogue No.:PA 43 26560
CAS :
NA
Molecular Formula : C18H24N4O8S2
Molecular Weight : 488.53