BI-4020 (BI 4020) is a potent, next generation, wt-sparing inhibitor of EGFR mutant T790M and/or C797S, and EGFRdel19 T790M C797S (0.2 nM).BI-4020 inhibits not only the triple mutant EGFRdel19 T790M C797S variant but also the double mutant EGFRdel19 T790M and primary mutant EGFRdel19 while sparing activity against EGFRwt.BI-4020 shows high potency on EGFR mutant cells, high kinome selectivity, and good DMPK properties.BI-4020 exhibites tumor regressions in the human PC-9 (EGFRdel19 T790M C797S) triple mutant NSCLC xenograft model in mice.

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.