PF 4800567

Catalog No. Size PriceQuantity
M7527-2 2mg solid $190
M7527-10 10mg solid $760


PF 4800567 is a novel and potent inhibitor of casein kinase 1 epsilon (IC50=32 nM) with greater than 20-fold selectivity over casein kinase 1 delta(IC50=711 nM).

Product information

CAS Number: 1188296-52-7

Molecular Weight: 359.81

Formula: C17H18ClN5O2

Chemical Name: 3-[(3-chlorophenoxy)methyl]-1-(oxan-4-yl)pyrazolo[3,4-d]pyrimidin-4-amine

Smiles: NC1=NC=NC2=C1C(COC1C=C(Cl)C=CC=1)=NN2C1CCOCC1


InChi: InChI=1S/C17H18ClN5O2/c18-11-2-1-3-13(8-11)25-9-14-15-16(19)20-10-21-17(15)23(22-14)12-4-6-24-7-5-12/h1-3,8,10,12H,4-7,9H2,(H2,19,20,21)

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : 75 mg/mL (208.44 mM; Need ultrasonic)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

PF-4800567 is a potent and selective inhibitor of casein kinase 1ϵ (CK1ϵ), with an IC50 of 32 nM, which is greater than 20-fold selectivity over CK1δ (IC50, 711 nM). PF-4800567 shows inhibitory activity against CK1ϵ and CK1δ in whole cells, with IC50s of 2.65 and 20.38 μM, respectively. PF-4800567 (0.01-10 μM) blocks CK1ϵ-mediated PER3 nuclear localization mediated by CK1ϵ and suppresses PER2 degradation at 1 μM. In addition, PF-4800567 has little effect on the circadian clock at 32 nM.

In Vivo:

PF-4800567 (100 mg/kg, s.c.) is rapidly absorpted and distributed in plasma and brain of mice.


  1. Walton KM, et al. Selective inhibition of casein kinase 1 epsilon minimally alters circadian clock period. J Pharmacol Exp Ther. 2009 Aug;330(2):430-9.

Products are for research use only. Not for human use.

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