Pentoxifylline EP Impurity F; Dimenhydrinate EP Impurity C; Caffeine
Outros sinônimos
3,7-Dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
Descrição
Theophylline EP Impurity A (CAS 58-08-2) é uma impureza intrínseca identificada em lotes de teofilina | pertencente à família das metilxantinas e referida por sinônimos como Pentoxifylline EP Impurity F | Dimenhydrinate EP Impurity C e Caffeine. Essa impureza origina-se de reações secundárias durante síntese ou degradação e requer caracterização analítica rigorosa por HPLC-UV | LC-MS e RMN para identificação estrutural e quantificação precisa. Sua presença pode alterar o perfil de pureza e interferir em ensaios analíticos | por isso é controlada por especificações de monografia EP | validação de métodos | testes de estabilidade e estratégias de mitigação de processo para garantir conformidade regulatória.
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