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Identification, synthesis, isolation and characterization of new impurity in metoprolol tartrate tablets
R Buchi Reddy1, Kishor R More1, Leena Gupta1
1Ipca Laboratories Ltd., Chemical Research Division, Kandivali Industrial Estate, Kandivali (W). Mumbai 400067, India.
Abstract:
A new unknown impurity was observed in accelerated stability studies of Metoprolol tartrate tablets. This impurity has been identified, synthesized and characterized through different spectral studies and confirmed as an adduct of lactose and Metoprolol formed by Maillard reaction.
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