Is Enalapril Impurity 3 (CAS: 56-41-7) safe?

Enalapril Impurity 3, or L-phenylalanine, is generally considered safe when handled properly. It is a naturally occurring amino acid and is used in food and pharmaceuticals in controlled amounts. However, as an impurity, its safety depends on the context of use and exposure levels. Appropriate protective measures, such as gloves and ventilation, are recommended during handling. Safety standards ensure its use is within acceptable limits for human and environmental health.