PF-4800567 hydrochloride is a casein kinase 1e (CK1e) selective inhibitor (IC50 = 32 nM) that is 20 fold selective for the CK1e isoform over CK1d. PF-4800567 blockes CK1e-mediated PER3 nuclear translocation, but does not effect the circadian clock in animal studies.

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.