Medchemexpress, HY-15005 100mg PSI-7977 GS 7977;sofosbuvir CAS:1190307-88-0 Formula:C22H29FN3O9P EC50: 92±5 nM (HCV) Purity:98% PSI-7977 is an active inhibitor of HCV RNA replication in the HCV replicon assay, demonstrates potent anti-hepatitis C virus ( HCV ) activity. 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.