O Bromfenac metil éster é uma impureza crítica observada durante a síntese e purificação do API Bromfenac | originada por esterificação incompleta ou reações secundárias com reagentes metílicos. Seu perfil químico exige monitoramento rigoroso por HPLC com detecção UV e confirmação por LC-MS e RMN para estabelecimento de estrutura e pureza. A presença desta impureza pode afetar estabilidade | solubilidade e desempenho toxicológico do lote | portanto limites e critérios de aceitação devem ser definidos em estudos de qualificação. Estratégias de controle incluem otimização de etapas de reação | purificação preparativa e validação de métodos analíticos para garantir conformidade regulatória.
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![1H,1'H-[5,5'-biindole]-7,7'-diylbis((4-bromophenyl)methanone)](https://veeprho.com/wp-content/uploads/2023/05/1H-1-H-5-5-biindole-7-7-diylbis-4-bromophenyl-methanone.png "1H,1'H-[5,5'-biindole]-7,7'-diylbis((4-bromophenyl)methanone)")
