Cat. No.: HY-111388

SEL120-34A

8 Cited Publications

Customer Review

Based on 8 publication(s) in Google Scholar

SEL120-34A is a potent, selective, orally available, ATP-competitive CDK8 inhibitor, with IC₅₀s of 4.4 nM and 10.4 nM for CDK8/CycC and CDK19/CycC, respectively, with antitumor activity.

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

Purity: 99.49%
CAS No.: 1609522-33-9
Formula: C₁₅H₁₈Br₂N₄
Molecular Weight:414.14

Storage:

Powder -20°C, 3 years ; In solvent -80°C, 6 months , -20°C, 1 month

SEL120-34A Chemical Structure

CAS No.: 1609522-33-9

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Top Publications Citing

Use of MCE Products

Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biological Activity
- Description
- IC₅₀ & Target
- Cellular Effect
- In Vitro
- In Vivo
Chemical Information
Publications (8)
Solvent & Solubility
- In Vitro
Purity & Documentation
References
Help & FAQs
Classifications
Bioz

Biological Activity

Description

SEL120-34A is a potent, selective, orally available, ATP-competitive CDK8 inhibitor, with IC₅₀s of 4.4 nM and 10.4 nM for CDK8/CycC and CDK19/CycC, respectively, with antitumor activity.

IC₅₀ & Target^[1]

CDK8/CycC

4.4 nM (IC₅₀)

CDK19/CycC

10.4 nM (IC₅₀)

CDK9/cycT

1070 nM (IC₅₀)

All CDK Isoforms :

Cellular Effect

Cell Line	Type	Value	Description	References
A-375	GI₅₀	5.9 μM Compound: SEL120-34A	Antiproliferative activity against human A-375 cells incubated for 48 hrs by CCK8 assay Antiproliferative activity against human A-375 cells incubated for 48 hrs by CCK8 assay	[PMID: 36889252]
A549	GI₅₀	12.06 μM Compound: SEL120-34A	Antiproliferative activity against human A549 cells incubated for 48 hrs by CCK8 assay Antiproliferative activity against human A549 cells incubated for 48 hrs by CCK8 assay	[PMID: 36889252]
GES1	GI₅₀	55.3 μM Compound: SEL120-34A	Antiproliferative activity against human GES1 cells incubated for 48 hrs by CCK8 assay Antiproliferative activity against human GES1 cells incubated for 48 hrs by CCK8 assay	[PMID: 36889252]
HCT-116	GI₅₀	11.3 μM Compound: SEL120-34A	Antiproliferative activity against human HCT-116 cells incubated for 48 hrs by CCK8 assay Antiproliferative activity against human HCT-116 cells incubated for 48 hrs by CCK8 assay	[PMID: 36889252]
HL-60	GI₅₀	<1000 nM Compound: 2; SEL120-34A	Growth inhibition of human HL60 cells by alamar blue assay Growth inhibition of human HL60 cells by alamar blue assay	[PMID: 29266937]
HT-29	GI₅₀	33.8 μM Compound: SEL120-34A	Antiproliferative activity against human HT-29 cells incubated for 48 hrs by CCK8 assay Antiproliferative activity against human HT-29 cells incubated for 48 hrs by CCK8 assay	[PMID: 36889252]
KG-1	GI₅₀	<1000 nM Compound: 2; SEL120-34A	Growth inhibition of human KG1 cells by alamar blue assay Growth inhibition of human KG1 cells by alamar blue assay	[PMID: 29266937]
MDA-MB-231	GI₅₀	9.6 μM Compound: SEL120-34A	Antiproliferative activity against human MDA-MB-231 cells incubated for 48 hrs by CCK8 assay Antiproliferative activity against human MDA-MB-231 cells incubated for 48 hrs by CCK8 assay	[PMID: 36889252]
MGC-803	GI₅₀	16.26 μM Compound: SEL120-34A	Antiproliferative activity against human MGC-803 cells incubated for 48 hrs by CCK8 assay Antiproliferative activity against human MGC-803 cells incubated for 48 hrs by CCK8 assay	[PMID: 36889252]
MOLM-13	GI₅₀	0.02 μM Compound: SEL120-34A	Antiproliferative activity against human MOLM-13 cells incubated for 48 hrs by CCK8 assay Antiproliferative activity against human MOLM-13 cells incubated for 48 hrs by CCK8 assay	[PMID: 36889252]
MV4-11	GI₅₀	<1000 nM Compound: 2; SEL120-34A	Growth inhibition of human MV4-11 cells by alamar blue assay Growth inhibition of human MV4-11 cells by alamar blue assay	[PMID: 29266937]
MV4-11	GI₅₀	0.07 μM Compound: SEL120-34A	Antiproliferative activity against human MV4-11 cells incubated for 48 hrs by CCK8 assay Antiproliferative activity against human MV4-11 cells incubated for 48 hrs by CCK8 assay	[PMID: 36889252]
MV4-11	IC₅₀	248.75 nM Compound: RVU120; SEL120	Antiproliferative activity against human MV4-11 cells assessed as inhibition of cell growth incubated for 10 days and replacement with fresh media with compounds on day 5 by CTG assay Antiproliferative activity against human MV4-11 cells assessed as inhibition of cell growth incubated for 10 days and replacement with fresh media with compounds on day 5 by CTG assay	[PMID: 37029334]
MV4-11	IC₅₀	43.77 nM Compound: RVU120	Antiproliferative activity against human MV4-11 cells incubated for 5 days by CellTiter-Glo luminescent cell viability assay Antiproliferative activity against human MV4-11 cells incubated for 5 days by CellTiter-Glo luminescent cell viability assay	[PMID: 38690856]
OCI-AML2	GI₅₀	<1000 nM Compound: 2; SEL120-34A	Growth inhibition of human OCI-AML2 cells by alamar blue assay Growth inhibition of human OCI-AML2 cells by alamar blue assay	[PMID: 29266937]
OCI-AML-3	GI₅₀	<1000 nM Compound: 2; SEL120-34A	Growth inhibition of human OCI-AML3 cells by alamar blue assay Growth inhibition of human OCI-AML3 cells by alamar blue assay	[PMID: 29266937]
SW480	GI₅₀	17.7 μM Compound: SEL120-34A	Antiproliferative activity against human SW480 cells incubated for 48 hrs by CCK8 assay Antiproliferative activity against human SW480 cells incubated for 48 hrs by CCK8 assay	[PMID: 36889252]

In Vitro

SEL120-34A is a selective, ATP-competitive CDK8 inhibitor, with IC₅₀ of 4.4 nM and 10.4 nM for CDK8/CycC and CDK19/CycC, respectively. SEL120-34A shows no obvious inhibition on CDK1, 2, 4, 6, 5, 7, and only weakly suppresses CDK9 (IC₅₀, 1070 nM). SEL120-34A is active against a panel of AML cell lines (GI₅₀<1 μM), such as SKNO-1, KG-1, HEL-60, MOLM-16, MV-4-11, OciAML-2, MOLM-6 and OciAML-3 cells, consistent with the effective inhibition range of STAT1 S727 and STAT5 S726^[1].

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

In Vivo

SEL120-34A (30, 60 mg/kg, p.o.) inhibits the growth of tumor in mice bearing MV4-11 cancer cells, and also arrests the growth of KG-1-derived tumors at 30 mg/kg via oral administration^[1].

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

Chemical Information

CAS No. 1609522-33-9
Appearance Solid
Molecular Weight 414.14
Formula C₁₅H₁₈Br₂N₄
Color White to off-white
SMILES

CC1=C2C3=C(C(Br)=C1Br)CCCN3C(N4CCNCC4)=N2
Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Powder	-20°C	3 years
In solvent	-80°C	6 months
	-20°C	1 month

Publications (8)

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Cell

BET inhibition blocks inflammation-induced cardiac dysfunction and SARS-CoV-2 infection. [Abstract]

2021 Apr 15;184(8):2167-2182.e22. PMID: 33811809
Blood

Overcoming menin inhibitor resistance in AML cells with combinations including BET proteins and a dual BRG1/BRM inhibitor. [Abstract]

2026 Feb 24:blood.2025031486. PMID: 41734382
Nat Commun

Oncogenic enhancers prime quiescent metastatic cells to escape NK immune surveillance by eliciting transcriptional memory. [Abstract]

2024 Mar 19;15(1):2198. PMID: 38503727
Nat Commun

A kinase-independent role for CDK8 in BCR-ABL1+ leukemia. [Abstract]

2019 Oct 18;10(1):4741. PMID: 31628323
Adv Sci (Weinh)

NUDT21-mediated Alternative Polyadenylation of CDK19 Reprograms Cholesterol Biosynthesis to Drive Colorectal Cancer Progression. [Abstract]

2025 Nov 19:e18346. PMID: 41255211
Int J Mol Sci

Cyclin-Dependent Kinases (CDKs) and the Human Cytomegalovirus-Encoded CDK Ortholog pUL97 Represent Highly Attractive Targets for Synergistic Drug Combinations. [Abstract]

2022 Feb 24;23(5):2493. PMID: 35269635
bioRxiv

2025 January 24.
Friedrich-Alexander-Universität Erlangen-Nürnberg

2023 Jun 23.

Solvent & Solubility

In Vitro:

DMSO : 20 mg/mL (48.29 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

View the Complete Stock Solution Preparation Table

Preparing Stock Solutions

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Concentration Solvent Mass

1 mg

5 mg

10 mg

Concentration

Solvent

Mass

1 mM

2.4146 mL

12.0732 mL

24.1464 mL

5 mM

0.4829 mL

2.4146 mL

4.8293 mL

10 mM

0.2415 mL

1.2073 mL

2.4146 mL

Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.

Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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

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Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (276 KB)
SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

References

[1]. Rzymski T, et al. SEL120-34A is a novel CDK8 inhibitor active in AML cells with high levels of serine phosphorylation of STAT1 and STAT5 transactivation domains. Oncotarget. 2017 May 16;8(20):33779-33795. [Content Brief]

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Complete Stock Solution Preparation Table

Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg
DMSO	1 mM	2.4146 mL	12.0732 mL	24.1464 mL	60.3661 mL
	5 mM	0.4829 mL	2.4146 mL	4.8293 mL	12.0732 mL
	10 mM	0.2415 mL	1.2073 mL	2.4146 mL	6.0366 mL
	15 mM	0.1610 mL	0.8049 mL	1.6098 mL	4.0244 mL
	20 mM	0.1207 mL	0.6037 mL	1.2073 mL	3.0183 mL
	25 mM	0.0966 mL	0.4829 mL	0.9659 mL	2.4146 mL
	30 mM	0.0805 mL	0.4024 mL	0.8049 mL	2.0122 mL
	40 mM	0.0604 mL	0.3018 mL	0.6037 mL	1.5092 mL

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SEL120-34A

Cell Cycle/DNA Damage Compound Library

Kinase Inhibitor Library

Anti-Cancer Compound Library

Anti-Aging Compound Library

Anti-Breast Cancer Compound Library

Anti-Blood Cancer Compound Library

Cancer Stem Cells Compound Library

Highly Selective Inhibitors Library

Serine/Threonine Kinase Inhibitor Library

Anti-Hematopathy Compound Library

Anti-Ovarian Cancer Compound Library

Multi-Target Compound Library

Bioactive Compound Library Max

MCE Bioactive Compound Library

Bioactive Compound Library

Protein Kinase Compound Library

Cell Proliferation Compound Library

High-Throughput Bioactive Compound Library

High-Efficiency Gene Editing Compound Library

Publications Citing Use of MedChemExpress (MCE) SEL120-34A

All CDK Isoforms

Biological Activity

Chemical Information

Publications (8)

Solvent & Solubility

Purity & Documentation

References

Help & FAQs

Complete Stock Solution Preparation Table

SEL120-34A

Cell Cycle/DNA Damage Compound Library

Kinase Inhibitor Library

Anti-Cancer Compound Library

Anti-Aging Compound Library

Anti-Breast Cancer Compound Library

Anti-Blood Cancer Compound Library

Cancer Stem Cells Compound Library

Highly Selective Inhibitors Library

Serine/Threonine Kinase Inhibitor Library

Anti-Hematopathy Compound Library

Anti-Ovarian Cancer Compound Library

Multi-Target Compound Library

Bioactive Compound Library Max

MCE Bioactive Compound Library

Bioactive Compound Library

Protein Kinase Compound Library

Cell Proliferation Compound Library

High-Throughput Bioactive Compound Library

High-Efficiency Gene Editing Compound Library

Publications Citing Use of MedChemExpress (MCE) SEL120-34A

All CDK Isoforms

Biological Activity

Chemical Information

Publications (8)

Solvent & Solubility

Purity & Documentation

References

Help & FAQs

Complete Stock Solution Preparation Table

SEL120-34A Related Classifications

HY-111388 Related Classifications