A impureza Levetiracetam CRS (CAS 102767-28-2) apresenta perfil crítico para controle de qualidade durante a síntese e purificação do levetiracetam. Caracteriza-se por uma massa molecular próxima à substância-mãe exigindo técnicas seletivas como HPLC com detecção UV e LC-MS para separação e confirmação. Determinação de limite de detecção e quantificação deve obedecer às diretrizes ICH Q3A e Q3B com procedimentos validados para especificações | linearidade | exatidão e precisão. Estudos de estabilidade evidenciam potencial formação sob condições ácidas ou térmicas | recomendando otimização de processo e etapas adicionais de purificação. Dados de perfil de impurezas | tempo de retenção e espectrometria são essenciais para investigação de origem e redução.
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