1. Cell Cycle/DNA Damage
  2. Checkpoint Kinase (Chk)
  3. CCT241533 dihydrochloride

CCT241533 dihydrochloride 

Cat. No.: HY-110331
Handling Instructions

CCT241533 dihydrochloride is a potent and selective ATP competitive inhibitor of CHK2 with an IC50 of 3 nM and Ki of 1.16 nM.

For research use only. We do not sell to patients.

CCT241533 dihydrochloride Chemical Structure

CCT241533 dihydrochloride Chemical Structure

CAS No. : 1962925-28-5

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Description

CCT241533 dihydrochloride is a potent and selective ATP competitive inhibitor of CHK2 with an IC50 of 3 nM and Ki of 1.16 nM[1].

IC50 & Target[1]

Chk2

3 nM (IC50)

Chk1

245 nM (IC50)

Chk2

1.16 nM (Ki)

In Vitro

CCT241533 inhibits CHK2 with an IC50 of 3 nM and shows minimal cross reactivity against a panel of kinases at 1 μM. X-ray crystallography confirms that CCT241533 binds to CHK2 in the ATP pocket. CCT241533 blocks CHK2 activity in human tumor cell lines in response to DNA damage, as demonstrated by inhibition of CHK2 autophosphorylation at S516, band-shift mobility changes and HDMX degradation. CCT241533 does not potentiate the cytotoxicity of a selection of genotoxic agents in several cell lines. However, CCT241533 significantly potentiates the cytotoxicity of two structurally distinct PARP inhibitors. Clear induction of the pS516 CHK2 signal is seen with a PARP inhibitor alone and this activation is abolished by CCT241533. The cytotoxicity of CCT241533 in HT-29, HeLa and MCF-7, measured as the growth inhibitory IC50(GI50) by SRB assay, is 1.7, 2.2 and 5.1 μM, respectively[1]. CCT241533 hydrochloride is a potent CHK2 inhibitor (IC50=3 nM), with selectivity (63-fold) over CHK1(IC50=190 nM) and low hERG inhibition (IC50=22 μM)[2].

Molecular Weight

515.41

Formula

C₂₃H₂₉Cl₂FN₄O₄

CAS No.

1962925-28-5

SMILES

FC1=CC(C2=NC3=CC(OC)=C(C=C3C(N[[email protected]]4[[email protected]@H](CNC4)C(O)(C)C)=N2)OC)=C(C=C1)O.Cl.Cl

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Room temperature in continental US; may vary elsewhere.

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

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Keywords:

CCT241533CCT 241533CCT-241533Checkpoint Kinase (Chk)Inhibitorinhibitorinhibit

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CCT241533 dihydrochloride
Cat. No.:
HY-110331
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