2563617-99-0

(S)-GS-621763 is the S-enantiomer of GS-621763 (HY-145119). GS-621763 is an orally active prodrug form of GS-443902 (HY-126303) that inhibits SARS-CoV-2[1].

GS-441524 tris-isobutyryl ester is a prodrug form of the antiviral nucleoside analog and remdesivir metabolite GS-441524 .1 It reduces the cytopathic effect of respiratory syncytial virus (RSV) in infected HEp-2 cells with an EC50 value of 0.26 μM.

-20°C

1.Mackman, R.L., Hui, H.C., Perron, M., et al.Prodrugs of a 1’-CN-4-aza-7,9-dideazaadenosine C-nucleoside leading to the discovery of remdesivir (GS-5734) as a potent inhibitor of respiratory syncytial virus with efficacy in the african green monkey model of RSVJ. Med. Chem.64(8)5001-5017(2021)