PF00835231(SARS-CoV-2 inhibitor 5h) is areversible-covalent inhibitor of SARS-CoV-2 main protease (Mpro) with EC50 of 4.2 µM. Compound 5h blocks the infectivity and cytopathicity of the virus with high potency and without any detectable cytotoxicity even at 200 µM.PF-00835231 is a potent inhibitor of CoV-2 3CLpro with IC50 of 4 nM and shows suitable pharmaceutical properties to warrant further development as an intravenous treatment for COVID-19.

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.