Prucalopride Bromo Analogue (Succinic acid Salt) ist ein bromiertes strukturelles Analogon von Prucaloprid und wird als prozessbezogene organische Verunreinigung und nicht als spezifisches Abbauprodukt eingeordnet. Die Bromsubstitution verändert Polarität, Ionisationsverhalten und massenspektrometrische Fragmentierung und ist daher für die Bewertung des Synthesewegs und das Verunreinigungsprofil relevant. Mit der Summenformel C22H32BrN3O7 und einer Molmasse von 530,41 g/mol kann die Salzform bei der Isolierung oder Kristallisation mit Bernsteinsäure entstehen. Die Charakterisierung erfordert üblicherweise LC-MS/MS, ergänzt durch hochauflösende Massenspektrometrie und HPLC mit UV-Detektion, um das Analyt von eng verwandten Regioisomeren und Spuren von Synthesenebenprodukten zu trennen.
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