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

CCT241533 hydrochloride 

目录号: HY-14715B 纯度: 99.98%

CCT241533 hydrochloride是有效,选择性的 CHK2 抑制剂,IC50Ki 分别为3 nM 和1.16 nM。

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CCT241533 hydrochloride Chemical Structure

CCT241533 hydrochloride Chemical Structure

CAS No. : 1431697-96-9

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Free Sample (0.1-0.5 mg)   Apply now  
10 mM * 1 mL in DMSO ¥1470 In-stock
2 mg ¥930 In-stock
5 mg ¥1395 In-stock
10 mg ¥2660 In-stock
50 mg ¥9900 In-stock
100 mg ¥16500 In-stock
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Other Forms of CCT241533 hydrochloride:

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  • 参考文献


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

IC50 & Target[1]


3 nM (IC50)


245 nM (IC50)

In Vitro

CCT241533 hydrochloride 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









Room temperature in continental US; may vary elsewhere.

Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : ≥ 100 mg/mL (208.79 mM)

* "≥" means soluble, but saturation unknown.

Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.0879 mL 10.4397 mL 20.8794 mL
5 mM 0.4176 mL 2.0879 mL 4.1759 mL
10 mM 0.2088 mL 1.0440 mL 2.0879 mL

储备液的保存方式和期限:-80°C, 6 months; -20°C, 1 month。 -80°C 储存时,请在 6 个月内使用,-20°C 储存时,请在 1 个月内使用。

In Vivo:

请根据您的实验动物和给药方式选择适当的溶解方案。以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液,再依次添加助溶剂:

——为保证实验结果的可靠性,澄清的储备液可以根据储存条件,适当保存;体内实验的工作液,建议您现用现配,当天使用; 以下溶剂前显示的百

  • 1.

    请依序添加每种溶剂: 10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (5.22 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (5.22 mM,饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例,取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中,混合均匀;向上述体系中加入50 μL Tween-80,混合均匀;然后继续加入 450 μL生理盐水定容至 1 mL。

    将 0.9 g 氯化钠,完全溶解于 100 mL ddH₂O 中,澄清透明的生理盐水溶液
  • 2.

    请依序添加每种溶剂: 10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.5 mg/mL (5.22 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (5.22 mM,饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例,取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液中,混合均匀。

    将 2 g 磺丁基醚 β-环糊精加入 5 mL 生理盐水中,再用生理盐水定溶至 10 mL,完全溶解,澄清透明
  • 3.

    请依序添加每种溶剂: 10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (5.22 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (5.22 mM,饱和度未知) 的澄清溶液,此方案不适用于实验周期在半个月以上的实验。

    以 1 mL 工作液为例,取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中,混合均匀。

*以上所有助溶剂都可在 MCE 网站选购。
Cell Assay

HT-29, HeLa and MCF-7 cells are exposed to a fixed concentration (GI50) of CCT241533 in combination with increasing concentrations of either PARP inhibitor or cytotoxic drug in a 96 hour SRB assay or 7-10 day colony forming assay. The ability of CCT241533 to enhance cell killing is expressed as a potentiation index (PI) which is the ratio of GI50 for the genotoxic or PARP inhibitor alone: GI50 for the genotoxic or PARP inhibitor in combination with a CHK2 inhibitor. Thus PI>1 indicates potentiation and PI<1 indicates protection[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.


Purity: 99.98%

  • 摩尔计算器

  • 稀释计算器

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass   Concentration   Volume   Molecular Weight *
= × ×

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2


CCT241533CCT 241533CCT-241533Checkpoint Kinase (Chk)Inhibitorinhibitorinhibit


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CCT241533 hydrochloride