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Catalog No.: A11220

CDK inhibitor


Kenpaullone Chemical Structure

CAS NO. 142273-20-9

Kenpaullone is a potent inhibitor of CDK1/cyclin B (IC₅₀ = 400 nM), CDK2/cyclin A (IC₅₀ = 680nM) , CDK5 (IC₅₀ = 850nM) and with much less effect other kinases.

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  • Katelyn M Green, .et al. High-throughput screening yields several small-molecule inhibitors of repeat-associated non-AUG translation, J Biol Chem, 2019, jbc.RA119.009951

Biological Activity

Kenpaullone is a potent inhibitor of CDK1/cyclin B (IC₅₀ = 400 nM), CDK2/cyclin A (IC₅₀ = 680nM) , CDK5 (IC₅₀ = 850nM) and with much less effect other kinases.
Target Value
GSK-3βIC50: 0.23μM
CDK1/CyclinBIC50: 0.4μM
CDK2/CyclinAIC50: 0.68μM
CDK5/p35IC50: 0.85μM
CDK2/CyclinEIC50: 7.5μM
ERK2IC50: 9μM
c-SrcIC50: 15μM
CaseinKinase2IC50: 20μM
ERK1IC50: 20μM
In vitro (25°C) DMSO 58 mg/mL (177.27 mM)
Water Insoluble
Ethanol Insoluble
In vivo 2% DMSO+50% PEG 300+5% Tween 80+ddH2O 2.3 mg/mL
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Adooq tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
0.1 mM 30.56 mL 152.81 mL 305.62 mL
0.5 mM 6.11 mL 30.56 mL 61.12 mL
1 mM 3.06 mL 15.28 mL 30.56 mL
5 mM 0.61 mL 3.06 mL 6.11 mL

*The above data is based on the productmolecular weight 327.2. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Catalog Num A11220
Actions Inhibitor
CAS No. 142273-20-9
Formula C16H11BrN2O
M. Wt 327.2
Purity >98%

Store lyophilized at -20ºC, keep desiccated.
In lyophilized form, the chemical is stable for 36 months.
In solution, store at -20ºC and use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

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