N-Carbamoyl-2-fluoro-β-alanina (CAS 5006-64-4) | também referida como 2-fluoro-3-ureidopropanoic acid | é uma impureza polar observada em sínteses de intermediários fluorados | com alta hidrofilicidade e estabilidade térmica moderada que favorece retenção em fases aquosas e possível coeluição em cromatografias reversas; sua presença exige monitorização por LC-MS | HPLC com detecção UV e RMN 1H/13C | complementados por espectrometria de massa de alta resolução | e o controle efetivo passa por purificação por cromatografia preparativa | extração em fase sólida e otimização das condições de reação para minimizar formação | evitando impacto negativo sobre perfil de pureza | rendimento e conformidade regulatória.
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