CB31 is a highly potent and orally bioavailable PD-L1 inhibitor with IC50 of 0.2 nM (PD-1/PD-L1 alphs) and EC50 of 15 nM (NFAT), with high passive permeability, good metabolic stability and favorable oral PK. CB31 targets both the surface and intracellular PD-L1, reducing tumor size and killing cells in a 3D spheroid model.

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.