Medchemexpress, HY-I0727 1mg Sofosbuvir impurity E CAS: Sofosbuvir impurity E is the less active impurity of Sofosbuvir, Sofosbuvir is an active inhibitor of HCV RNA replication in the HCV replicon assay, demonstrates potent anti-hepatitis C virus ( HCV ) activity. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.