Lamivudine EP Impurity B with CAS No: 131086-22-1 is an impurity standard of Lamivudine. Lamivudine is an antiviral medication used to treat infections caused by the human immunodeficiency virus (HIV) and the hepatitis B virus (HBV).Lamivudine is belongs to a class of drugs called nucleoside reverse transcriptase inhibitors (NRTIs). Lamivudine works by inhibiting the reverse transcriptase enzyme which is essential for the replication of these viruses. By blocking this enzyme, lamivudine helps to slow down the progression of HIV and HBV infections. Buy high quality Lamivudine EP Impurity B from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Lamivudine EP Impurity B