Impureza (4-Bromofenil)(2 | 3-dibromo-1H-indol-7-il)methanona (CAS 2190487-72-8) é um subproduto bromado aromático com massa molecular elevada e múltiplos centros aromáticos que afeta pureza e perfil cromatográfico de lotes farmacêuticos. Apresenta alta absorvância UV e tendência a coeluir em métodos HPLC reverso | sendo detectável por LC-MS e NMR 1H/13C para confirmação estrutural. Pode originar-se por sobrebromação ou reações secundárias durante síntese indólica | exigindo controles de processo | otimização de equivalentes de reagentes e etapas de purificação como cromatografia e cristalização. Recomenda-se monitoramento por métodos validados e limites especificados em dossiê de qualidade e nas especificações de lote.
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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)")
