oseltamivir phosphate and its Impurities
A phosphate salt of Oseltamivir, which an antiviral medication sold under the brand name of Tamiflu. It is used to treat and prevent influenza A and influenza B. It is a competitive inhibitor of influenza´s neuraminidase enzyme. Reference standards of Oseltamivir Phosphate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(3R,4R,5S)-4-(Acetylamino)-5-amino-3-(1-methylethoxy)-1-Cyclohexene-1-carboxylic Acid Ethyl Ester
(3R,4R,5S)-4-(Acetylamino)-5-amino-3-(1-methylethoxy)-1-Cyclohexene-1-carboxylic Acid Ethyl Ester
Catalogue No.:PA 15 0121000
CAS :
1052063-36-1
Molecular Formula : C14H24N2O4
Molecular Weight : 284.36


(3R,4R,5S)-4-(Acetylamino)-5-amino-3-(1-methylethoxy)-1-Cyclohexene-1-carboxylic Acid Ethyl Ester Phosphate
(3R,4R,5S)-4-(Acetylamino)-5-amino-3-(1-methylethoxy)-1-Cyclohexene-1-carboxylic Acid Ethyl Ester Phosphate
Catalogue No.:PA 15 0121011
CAS :
NA
Molecular Formula : C14H27N2O8P
Molecular Weight : 382.35