Atazanavir EP Impurity B with CAS No: 127406-56-8 is an impurity standard of Atazanavir. Atazanavir is treats HIV infection as a protease inhibitor. Atazanavir is Reduces viral replication. Atazanavir is Oral medication in capsule or tablet form. Buy high quality Atazanavir EP Impurity B from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Atazanavir EP Impurity B