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AT7519 CDK inhibitor

Name: AT7519
Brand: Selleck Chemicals
SKU: S1524
Availability: InStock
Rating: 5 (54 reviews)

Cat.No.S1524

AT7519 is a multi-CDK inhibitor for CDK1, 2, 4, 6 and 9 with IC50 of 10-210 nM. It is less potent to CDK3 and little active to CDK7. This compound also decrease GSK3β phosphorylation. It induces apoptosis. Phase 2.

Chemical Structure

Molecular Weight: 382.24

Jump to Mechanism of Action Cell Culture & Working Concentration Solubility Chemical Information, Storage & Stability Specificity

Quality Control

Batch: Purity: 99.99%

99.99

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Cell Culture, Treatment & Working Concentration

Cell Lines	Assay Type	Incubation Time	Activity Description	PMID
HCT116	Antiproliferative assay	72 hrs	Antiproliferative activity against human HCT116 cells assessed as cell viability after 72 hrs by alamar blue assay, IC50=0.082μM	18656911
A2780	Antiproliferative assay	72 hrs	Antiproliferative activity against human A2780 cells assessed as cell viability after 72 hrs by alamar blue assay, IC50=0.35μM	18656911
MRC5	Antiproliferative assay	72 hrs	Antiproliferative activity against human MRC5 cells assessed as cell viability after 72 hrs by alamar blue assay, IC50=0.98μM	18656911
HCT116	Function assay		Inhibition of CDK1 in human HCT116 cells assessed as PP1-alpha(Thr320) phosphorylation	18656911
HCT116	Function assay		Inhibition of CDK2 in human HCT116 cells assessed as Rb(Thr321) phosphorylation	18656911
HCT116	Function assay		Inhibition of CDK2 in human HCT116 cells assessed as NPM(Thr199) phosphorylation	18656911
HCT116	Cytotoxicity assay	72 hrs	Cytotoxicity against human HCT116 cells assessed as growth inhibition after 72 hrs by Alamar blue assay, IC50=0.08μM	26115571
Sf21	Function assay		Inhibition of recombinant human full length N-terminal His6-tagged CDK5/N-terminal GST-tagged p25 expressed in baculovirus infected Sf21 insect cells using histone H1 as substrate, Ki=0.018μM	27171036
Sf21	Function assay		Inhibition of human full length C-terminal His6-tagged CDK2/N-terminal GST-tagged cyclin A expressed in baculovirus infected Sf21 insect cells using histone H1 as substrate, Ki=0.044μM	27171036
sf cells	Function assay		Inhibition of recombinant human N-terminal GST-tagged CDK4/cyclin D1 expressed in baculovirus infected sf cells, Ki=0.067μM	27171036
Sf21	Function assay		Inhibition of recombinant human full length C-terminal His6-tagged CDK9/cyclin T1 expressed in baculovirus infected Sf21 insect cells using PDKtide as substrate, Ki<0.1μM	27171036
Sf21	Function assay		Inhibition of human full length C-terminal His6-tagged CDK1/N-terminal GST-tagged cyclin B expressed in baculovirus infected Sf21 insect cells using histone H1 as substrate, Ki=0.19μM	27171036
Sf21	Function assay		Inhibition of recombinant human full length C-terminal His6-tagged CDK2/N-terminal GST-tagged cyclin E expressed in baculovirus infected Sf21 insect cells using histone H1 as substrate, Ki=0.51μM	27171036
Sf21	Function assay		Inhibition of recombinant human full length C-terminal His6-tagged CDK7/cyclin H/N-terminal GST-tagged MAT1 expressed in baculovirus infected Sf21 insect cells using cdk7 substrate peptide, Ki=2.8μM	27171036
TC32	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for TC32 cells	29435139
DAOY	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for DAOY cells	29435139
SJ-GBM2	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SJ-GBM2 cells	29435139
A673	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for A673 cells	29435139
SK-N-MC	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-MC cells	29435139
BT-37	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for BT-37 cells	29435139
NB-EBc1	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for NB-EBc1 cells	29435139
Saos-2	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Saos-2 cells	29435139
SK-N-SH	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-SH cells	29435139
BT-12	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for BT-12 cells	29435139
OHS-50	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for OHS-50 cells	29435139
RD	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for RD cells	29435139
MG 63 (6-TG R)	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for MG 63 (6-TG R) cells	29435139
Rh41	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Rh41 cells	29435139
A673	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for A673 cells)	29435139
SK-N-MC	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for SK-N-MC cells	29435139
BT-12	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for BT-12 cells	29435139
DAOY	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for DAOY cells	29435139
SJ-GBM2	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for SJ-GBM2 cells	29435139
BT-37	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for BT-37 cells	29435139
TC32	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for TC32 cells	29435139
U-2 OS	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for U-2 OS cells	29435139
Rh41	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for Rh41 cells	29435139
RD	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for RD cells	29435139
Rh30	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for Rh30 cells	29435139
Saos-2	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for Saos-2 cells	29435139
OHS-50	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for OHS-50 cells	29435139
SK-N-SH	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for SK-N-SH cells	29435139
HEI-OC1	Function assay		Protection against cisplatin-induced cell death in neonatal mouse HEI-OC1 cells assessed as reduction in caspase-3/7 activity, EC50=0.38μM	30091915
MIAPaCa2	Antiproliferative assay	72 hrs	Antiproliferative activity against human MIAPaCa2 cells after 72 hrs by prestoblue assay, IC50=0.411μM	30343954
AsPC1	Antiproliferative assay	72 hrs	Antiproliferative activity against human AsPC1 cells after 72 hrs by prestoblue assay, IC50=0.533μM	30343954
SUIT2	Antiproliferative assay	72 hrs	Antiproliferative activity against human SUIT2 cells after 72 hrs by prestoblue assay, IC50=0.557μM	30343954
BxPC3	Antiproliferative assay	72 hrs	Antiproliferative activity against human BxPC3 cells after 72 hrs by prestoblue assay, IC50=0.64μM	30343954
S2-013	Antiproliferative assay	72 hrs	Antiproliferative activity against human S2-013 cells after 72 hrs by prestoblue assay, IC50=2.77μM	30343954
Sf21	Function assay		Inhibition of recombinant human full-length C-terminal His6-tagged CDK9/human full-length untagged cyclin T1 expressed in baculovirus infected Sf21 insect cells using PDKtide as substrate, IC50<0.01μM	30543440
Sf21	Function assay	2 hrs	Inhibition of recombinant full-length human C-terminal His6-tagged CDK1/human full-length N-terminal GST-tagged Cyclin B expressed in baculovirus infected Sf21 insect cells using histone H1 as substrate measured after 2 hrs in presence of gamma[32P] ATP b, IC50=0.21μM	30543440
Sf21	Function assay		Inhibition of recombinant human full-length C-terminal His6-tagged CDK3/full-length human N-terminal GST-tagged Cyclin E expressed in baculovirus infected Sf21 insect cells using histone H1 as substrate, IC50=0.36μM	30543440
Sf21	Function assay		Inhibition of recombinant human C-terminal His6-tagged full length CDK7/untagged recombinant full length human Cyclin H/N-terminal GST-tagged recombinant full length human MAT1 expressed in baculovirus infected Sf21 insect cells using cdk7 peptide as subs, IC50=2.4μM	30543440
HCT116	Antiproliferative assay	72 hrs	Antiproliferative activity against human HCT116 cells assessed as reduction in cell viability after 72 hrs by cell titer glo-based luminescence assay, IC50=0.132μM	31175010
Click to View More Cell Line Experimental Data

Chemical Information, Storage & Stability

Molecular Weight	382.24	Formula	C₁₆H₁₇Cl₂N₅O₂	Storage (From the date of receipt)	3 years-20°Cpowder
CAS No.	844442-38-2	Download SDF		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent
Synonyms	AT7519M			Smiles	C1CNCCC1NC(=O)C2=C(C=NN2)NC(=O)C3=C(C=CC=C3Cl)Cl

Solubility

In vitro
Batch:

DMSO : 10 mg/mL (26.16 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : Insoluble

Ethanol : Insoluble

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
Mass value Mass unit	Concentration value Concentration unit	Volume value Volume unit	Molecular weight (g/mol)

Dilution Calculator Molecular Weight Calculator

In vivo batch selection In vivo Batch:
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Clear solution	2%DMSO 1 30%PEG300 2 2%Tween80 3 66%ddH2O Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	1.000mg/ml (2.62mM)	Taking the 1 mL working solution as an example, add 20 μL of 50 mg/ml clarified DMSO stock solution to 300 μL of PEG300, mix evenly to clarify it; add 20 μL of Tween80 to the above system, mix evenly to make it clear; then continue to add 660 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

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Average weight of animals: g

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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH₂O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Mechanism of Action

Targets/IC₅₀/Ki	CDK9/CyclinT ^[1] (Cell-free assay) <10 nM CDK5/p35 ^[1] (Cell-free assay) 13 nM CDK2/CyclinA ^[1] (Cell-free assay) 47 nM GSK-3β ^[1] (Cell-free assay) 89 nM CDK4/CyclinD1 ^[1] (Cell-free assay) 100 nM CDK6/CyclinD3 ^[1] (Cell-free assay) 170 nM CDK1/CyclinB ^[1] (Cell-free assay) 210 nM CDK3/CyclinE ^[1] (Cell-free assay) 360 nM
In vitro	AT7519 is an ATP competitive CDK inhibitor with a K_i value of 38 nM for CDK1. This compound is inactive against all non-CDK kinases with the exception of GSK3β (IC50 = 89 nM). It shows potent antiproliferative activity in a variety of human tumor cell lines with IC50 values ranging from 40 nM for MCF-7 to 940 nM for SW620 consistent with the inhibition of CDK1 and CDK2. ^[1] This chemical induces dose-dependent cytotoxicity in multiple myeloma (MM) cell lines with IC50 values ranging from 0.5 to 2 μM at 48 hours, with the most sensitive cell lines being MM.1S (0.5 μM) and U266 (0.5 μM) and the most resistant MM.1R (>2 μM). It does not induce cytotoxicity in peripheral blood mononuclear cells (PBMNC). This inhibitor partially overcomes the proliferative advantage conferred by IL6 and IGF-1 as well as the protective effect of bone marrow stromal cells (BMSCs). It induces rapid dephosphorylation of RNA pol II CTD at serine 2 and serine 5 sites, and leads to the inhibition of transcription, partially contributing to its induced cytotoxicity of MM cells. This agent induces activation of GSK-3β by down-regulating GSK-3β phosphorylation, which also contributes to its induced apoptosis independent of the inhibition of transcription. ^[2]
Kinase Assay	In vitro Kinase Assays
Kinase Assay	[API调用失败: invalid chat.event: ping, {'event': 'ping', 'data': '{"timestamp_ms":"1763712465092"}'}]
In vivo	A twice daily dosing of AT7519 (9.1 mg/kg) causes tumor regression of both early-stage and advanced-stage s.c. tumors in the HCT116 and HT29 colon cancer xenograft models. ^[1] This compound treatment (15 mg/kg) inhibits tumor growth and prolongs the median overall survival of mice in the human MM xenograft mouse model in association with increased caspase 3 activation. ^[2]
References	[1] https://pubmed.ncbi.nlm.nih.gov/19174555/ [2] https://pubmed.ncbi.nlm.nih.gov/20101221/

Applications

Methods	Biomarkers	Images	PMID
Growth inhibition assay	Cell viability		20101221
Western blot	CDK1 / CDK2 / CDK4 / Cyclin B1 / Cyclin E / CDK9 / CDK5 / CDK6 / Cyclin D1 / Cyclin A		20101221

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2024-05-22)

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
NCT01183949	Completed	Multiple Myeloma	Astex Pharmaceuticals Inc.\|Multiple Myeloma Research Consortium	November 2010	Phase 1\|Phase 2

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