Ritonavir EP Impurity D with CAS No: 144142-33-6 is an impurity standard of Ritonavir. Ritonavir is a medication used in the treatment of HIV infection. It belongs to a class of drugs known as protease inhibitors which are a key component of combination therapy for managing HIV/AIDS. Ritonavir is used to slow down the progression of HIV infection by inhibiting the action of the HIV protease enzyme which is essential for the replication of the virus. Buy high quality Ritonavir EP Impurity D from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Ritonavir EP Impurity D