AT-511

  • Chemical Properties
CAS No. 1998705-64-8 Cat. No. BCP43134
Name AT-511
Synonyms AT511; AT 511; Bemnifosbuvir;
Formula C24H33FN7O7P M. Wt 581.53
  • Biological Activity
Description AT-511, the free base form of AT-527, against several coronaviruses, including SARS-CoV-2, the causative agent of COVID-19. In normal human airway epithelial (HAE) cell preparations, the average concentration of AT-511 required to inhibit replication of SARS-CoV-2 by 90% (EC90) was 0.5 µM, very similar to the EC90 for AT-511 against HCoV-229E, HCoVOC43 and SARS-CoV in Huh-7 cells. No cytotoxicity was observed for AT-511 in any of the antiviral assays up to the highest concentration tested (100 µM). Surprisingly, AT-511 was 30-fold less active against MERS-CoV.
Pathways Microbiology/Virology 
Targets SARS CoV 

Structure

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