Atazanavir Impurity 19(CAS: 198904-85-7)

Atazanavir Impurity 19, with the CAS number 198904-85-7, is a known impurity associated with the antiretroviral drug atazanavir. It is typically identified during the synthesis or purification process of pharmaceutical compounds. The exact chemical structure and formula may vary depending on the source, but it is generally considered a minor byproduct that may affect the purity and quality of the final drug product.

Atazanavir Impurity 19 is primarily used in the analysis and quality control of atazanavir-based pharmaceuticals. It helps in identifying potential contaminants during drug development and manufacturing. This impurity is also relevant in research settings for understanding degradation pathways and ensuring the safety and efficacy of the drug in clinical applications.

Atazanavir Impurity 19 is generally considered less hazardous than the parent drug, atazanavir, but it should still be handled with care. Safety guidelines recommend following standard laboratory practices to minimize exposure. Regulatory agencies typically set acceptable limits for this impurity in drug products to ensure patient safety and compliance with quality standards.

Atazanavir Impurity 19 should be stored in a cool, dry, and dark place, ideally at temperatures below 25°C. It is recommended to keep it in a sealed container to prevent moisture and air exposure. Proper storage conditions help maintain its chemical stability and prevent unwanted reactions or degradation over time.