Impureza N-[4-(4-Fluorofenil)-5-metil-6-(1-metiletil)-2-pirimidil]-N-metilmetsulfonamida (CAS 953776-62-0) apresenta grupo fluorofenil lipofílico e um núcleo pirimidínico substituído, combinado com uma função metilsulfonamida N-metilada que confere polaridade moderada. Esta impureza costuma originar-se como subproduto de etapas de alquilação ou por proteção/desproteção incompleta na síntese, exibindo perfil analítico detectável por HPLC com UV, LC-MS e 1H-NMR. Avaliações de estabilidade indicam possível formação de isômeros e produtos de desmetilação sob condições ácidas ou térmicas. Recomenda-se monitoramento em processos, definição de limites por risco toxicológico e desenvolvimento de métodos analíticos robustos para controle de qualidade.
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![N-[4-(4-Fluorophenyl)-5-methyl-6-(1-methylethyl)-2-pyrimidinyl]-N-methylmethanesulfonamide](https://veeprho.com/wp-content/uploads/2026/01/N-4-4-Fluorophenyl-5-methyl-6-1-methylethyl-2-pyrimidinyl-N-methylmethanesulfonamide-953776-62-0-VE0026682-sqr.png "N-[4-(4-Fluorophenyl)-5-methyl-6-(1-methylethyl)-2-pyrimidinyl]-N-methylmethanesulfonamide")
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