CHIR-99021 - Moligand™, ≥98% , Inhibitor of cyclin dependent kinase 1;Inhibitor of glycogen synthase kinase 3 alpha;Inhibitor of glycogen synthase kinase 3 beta;Inhibitor of mitogen-activated protein kinase 1, CAS No.252917-06-9, Inhibitor of cyclin dependent kinase 1;Inhibitor of glycogen synthase kinase 3 alpha;Inhibitor of glycogen synthase kinase 3 beta;Inhibitor of mitogen-activated protein kinase 1

CAS: 252917-06-9 Cat. No.: C125082 Formula: C₂₂H₁₈Cl₂N₈ Molecular Weight: 465.34 EC Number: 809-015-4

GRADE & PURITY Moligand™, ≥98%

Synonyms

GSK-3 Inhibitor XVI | 6-[2-[[4-(2,4-dichlorophenyl)-5-(5-methyl-1H-imidazol-2-yl)pyrimidin-2-yl]amino]ethylamino]pyridine-3-carbonitrile | NCGC00250379-03 | NCGC00250379-21 | 6-[(2-{[4-(2,4-dichlorophenyl)-5-(4-methylimidazol -2-yl)-pyrimidin-2-yl]amino}e

Storage

Store at -20°C,Argon charged

Shipped In

Ice chest + Ice pads

Overview

CHIR-99021 (CT99021) is a GSK-3α/β inhibitor with IC50 of 10 nM/6.7 nM; > 500-fold selectivity for GSK-3 versus its closest homologs CDC2 and ERK2, as well as other protein kinases. IC50 value: 10 nM/6.7 nM for GSK-3α/β .
A compound that acts as potent, ATP-competitive & highly selective GSK-3 inhibitor

Specifications

Synonyms

GSK-3 Inhibitor XVI | 6-[2-[[4-(2,4-dichlorophenyl)-5-(5-methyl-1H-imidazol-2-yl)pyrimidin-2-yl]amino]ethylamino]pyridine-3-carbonitrile | NCGC00250379-03 | NCGC00250379-21 | 6-[(2-{[4-(2,4-dichlorophenyl)-5-(4-methylimidazol -2-yl)-pyrimidin-2-yl]amino}e

Specifications & Purity

Moligand™, ≥98%

Biochemical and Physiological Mechanisms

Potent and highly selective inhibitor of glycogen synthase kinase 3 (GSK-3) (IC50values are 6.7 and 10 nM for GSK-3β and GSK-3α respectively). Acts as Wnt activator. Exhibits >500-fold selectivity for GSK-3 over closely related kinases; also displays >800

Storage

Store at -20°C,Argon charged

Shipped In

Ice chest + Ice pads

This product requires cold chain shipping. Ground and other economy services are not available.

Grade

Moligand™

Action Type

INHIBITOR

Mechanism of action

Inhibitor of cyclin dependent kinase 1;Inhibitor of glycogen synthase kinase 3 alpha;Inhibitor of glycogen synthase kinase 3 beta;Inhibitor of mitogen-activated protein kinase 1

Purity

≥98%

Names and Identifiers

Pubchem Sid

504765152

Pubchem Sid Url

https://pubchem.ncbi.nlm.nih.gov/substance/504765152

Canonical Smiles

CC1=CN=C(N1)C2=CN=C(N=C2C3=C(C=C(C=C3)Cl)Cl)NCCNC4=NC=C(C=C4)C#N

IUPAC Name

6-[2-[[4-(2,4-dichlorophenyl)-5-(5-methyl-1H-imidazol-2-yl)pyrimidin-2-yl]amino]ethylamino]pyridine-3-carbonitrile

InChIKey

AQGNHMOJWBZFQQ-UHFFFAOYSA-N

INCHI

1S/C22H18Cl2N8/c1-13-10-29-21(31-13)17-12-30-22(32-20(17)16-4-3-15(23)8-18(16)24)27-7-6-26-19-5-2-14(9-25)11-28-19/h2-5,8,10-12H,6-7H2,1H3,(H,26,28)(H,29,31)(H,27,30,32)

Isomeric SMILES

CC1=CN=C(N1)C2=CN=C(N=C2C3=C(C=C(C=C3)Cl)Cl)NCCNC4=NC=C(C=C4)C#N

Alternate CAS

1797989-42-4；1782235-14-6

Molecular Weight

465.34

Reaxy-Rn

25763160

Reaxys-RN_link_address

https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=25763160&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organoheterocyclic compounds
    • Class Diazines
      • Subclass Pyrimidines and pyrimidine derivatives

• Kingdom: Organic compounds
• Superclass: Organoheterocyclic compounds
• Class: Diazines
• Subclass: Pyrimidines and pyrimidine derivatives
• Intermediate Tree Nodes: Not available
• Direct Parent: Phenylpyrimidines
• Alternative Parents: Dichlorobenzenes 3-pyridinecarbonitriles Secondary alkylarylamines Aminopyrimidines and derivatives Aminopyridines and derivatives Imidolactams Aryl chlorides Imidazoles Heteroaromatic compounds Nitriles Azacyclic compounds Organopnictogen compounds Organochlorides Hydrocarbon derivatives
• Molecular Framework: Aromatic heteromonocyclic compounds
• Substituents: 4-phenylpyrimidine - 5-phenylpyrimidine - 1,3-dichlorobenzene - 3-pyridinecarbonitrile - Aminopyridine - Aminopyrimidine - Chlorobenzene - Halobenzene - Secondary aliphatic/aromatic amine - Aryl chloride - Aryl halide - Monocyclic benzene moiety - Imidolactam - Benzenoid - Pyridine - Imidazole - Heteroaromatic compound - Azole - Nitrile - Carbonitrile - Azacycle - Secondary amine - Organohalogen compound - Hydrocarbon derivative - Organopnictogen compound - Organochloride - Organonitrogen compound - Amine - Organic nitrogen compound - Aromatic heteromonocyclic compound
• Description: This compound belongs to the class of organic compounds known as phenylpyrimidines. These are polycyclic aromatic compounds containing a benzene ring linked to a pyrimidine ring through a CC or CN bond. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Associated Targets(Human)

CDK1 Tchem Cyclin-dependent kinase 1 (1 Activities)

Discover Target: CDK1

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

GSK3B Tclin Glycogen synthase kinase-3 beta (6 Activities)

Discover Target: GSK3B

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

GSK3A Tclin Glycogen synthase kinase-3 alpha (4 Activities)

Discover Target: GSK3A

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

MAPK1 Tchem Mitogen-activated protein kinase 1 (1 Activities)

Discover Target: MAPK1

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

ABL1 Tclin Tyrosine-protein kinase ABL (18331 Activities)

Discover Target: ABL1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

EGFR Tclin Epidermal growth factor receptor erbB1 (33727 Activities)

Discover Target: EGFR

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

INSR Tclin Insulin receptor (5558 Activities)

Discover Target: INSR

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ERBB2 Tclin Receptor protein-tyrosine kinase erbB-2 (7851 Activities)

Discover Target: ERBB2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

IGF1R Tclin Insulin-like growth factor I receptor (8605 Activities)

Discover Target: IGF1R

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

KIT Tclin Stem cell growth factor receptor (10667 Activities)

Discover Target: KIT

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CSNK2A1 Tchem Casein kinase II alpha (3512 Activities)

Discover Target: CSNK2A1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

DAPK3 Tchem Death-associated protein kinase 3 (2108 Activities)

Discover Target: DAPK3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MAPK11 Tchem MAP kinase p38 beta (2785 Activities)

Discover Target: MAPK11

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

LCK Tclin Tyrosine-protein kinase LCK (9212 Activities)

Discover Target: LCK

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MAPK14 Tchem MAP kinase p38 alpha (12866 Activities)

Discover Target: MAPK14

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

GSK3B Tclin Glycogen synthase kinase-3 beta (11785 Activities)

Discover Target: GSK3B

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PRKCZ Tchem Protein kinase C zeta (2414 Activities)

Discover Target: PRKCZ

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MYLK Tchem Myosin light chain kinase, smooth muscle (1267 Activities)

Discover Target: MYLK

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CSNK1G1 Tchem Casein kinase I gamma 1 (2496 Activities)

Discover Target: CSNK1G1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

FGFR1 Tclin Fibroblast growth factor receptor 1 (9149 Activities)

Discover Target: FGFR1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

STK3 Tchem Serine/threonine-protein kinase MST2 (3069 Activities)

Discover Target: STK3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CSNK1D Tchem Casein kinase I delta (4546 Activities)

Discover Target: CSNK1D

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CAMK2B Tchem CaM kinase II beta (1626 Activities)

Discover Target: CAMK2B

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

SRC Tclin Tyrosine-protein kinase SRC (10310 Activities)

Discover Target: SRC

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CHEK2 Tchem Serine/threonine-protein kinase Chk2 (4015 Activities)

Discover Target: CHEK2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDPK1 Tchem 3-phosphoinositide dependent protein kinase-1 (3758 Activities)

Discover Target: PDPK1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

AKT2 Tchem Serine/threonine-protein kinase AKT2 (4301 Activities)

Discover Target: AKT2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

AKT3 Tchem Serine/threonine-protein kinase AKT3 (3157 Activities)

Discover Target: AKT3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CHUK Tchem Inhibitor of nuclear factor kappa B kinase alpha subunit (3170 Activities)

Discover Target: CHUK

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

IKBKB Tchem Inhibitor of nuclear factor kappa B kinase beta subunit (5554 Activities)

Discover Target: IKBKB

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

AURKB Tchem Serine/threonine-protein kinase Aurora-B (6805 Activities)

Discover Target: AURKB

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ROCK1 Tclin Rho-associated protein kinase 1 (4723 Activities)

Discover Target: ROCK1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PIM1 Tchem Serine/threonine-protein kinase PIM1 (9629 Activities)

Discover Target: PIM1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PKN2 Tchem Protein kinase N2 (1991 Activities)

Discover Target: PKN2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CSK Tchem Tyrosine-protein kinase CSK (2395 Activities)

Discover Target: CSK

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

JAK3 Tclin Tyrosine-protein kinase JAK3 (8349 Activities)

Discover Target: JAK3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

RPS6KA5 Tchem Ribosomal protein S6 kinase alpha 5 (3355 Activities)

Discover Target: RPS6KA5

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PRKCG Tchem Protein kinase C gamma (2471 Activities)

Discover Target: PRKCG

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PRKD3 Tchem Protein kinase C nu (2315 Activities)

Discover Target: PRKD3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PRKD1 Tchem Protein kinase C mu (1904 Activities)

Discover Target: PRKD1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PLK1 Tchem Serine/threonine-protein kinase PLK1 (28605 Activities)

Discover Target: PLK1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ITK Tclin Tyrosine-protein kinase ITK/TSK (3699 Activities)

Discover Target: ITK

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

RPS6KA1 Tchem Ribosomal protein S6 kinase alpha 1 (2796 Activities)

Discover Target: RPS6KA1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

JAK2 Tclin Tyrosine-protein kinase JAK2 (12915 Activities)

Discover Target: JAK2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CSNK1E Tclin Casein kinase I epsilon (1412 Activities)

Discover Target: CSNK1E

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CAMK1 Tchem CaM kinase I alpha (1664 Activities)

Discover Target: CAMK1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

FLT1 Tclin Vascular endothelial growth factor receptor 1 (6262 Activities)

Discover Target: FLT1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

KDR Tclin Vascular endothelial growth factor receptor 2 (20924 Activities)

Discover Target: KDR

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

GSK3A Tclin Glycogen synthase kinase-3 alpha (3764 Activities)

Discover Target: GSK3A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PRKG2 Tchem cGMP-dependent protein kinase 2 (1612 Activities)

Discover Target: PRKG2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PRKG1 Tchem cGMP-dependent protein kinase 1 beta (2814 Activities)

Discover Target: PRKG1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MAPK13 Tchem MAP kinase p38 delta (2605 Activities)

Discover Target: MAPK13

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MAPKAPK2 Tchem MAP kinase-activated protein kinase 2 (4814 Activities)

Discover Target: MAPKAPK2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MAPKAPK5 Tchem MAP kinase-activated protein kinase 5 (2831 Activities)

Discover Target: MAPKAPK5

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Associated Targets(non-human)

Prkcd Protein kinase C delta (192 Activities)

Discover Target: Prkcd

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mapk1 MAP kinase ERK2 (650 Activities)

Discover Target: Mapk1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Hdac6 Histone deacetylase 6 (222 Activities)

Discover Target: Hdac6

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Fgfr3 Fibroblast growth factor receptor 3 (21 Activities)

Discover Target: Fgfr3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Camk2g CaM kinase II gamma (1 Activities)

Discover Target: Camk2g

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Staphylococcus aureus (210822 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Escherichia coli (133304 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mus musculus (284745 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Rattus norvegicus (775804 Activities)

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Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

H4 (48 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

rep Replicase polyprotein 1ab (378 Activities)

Discover Target: rep

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Plasma (328 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mechanisms of Action

Chemical and Physical Properties

• Solubility: Solvent:DMSO, Max Conc. mg/mL: 9.31, Max Conc. mM: 20
• Sensitivity: Heat Sensitive；Moisture sensitive
• Molecular Weight: 465.300 g/mol
• XLogP3: 4.300
• Hydrogen Bond Donor Count: 3
• Hydrogen Bond Acceptor Count: 7
• Rotatable Bond Count: 7
• Exact Mass: 464.103 Da
• Monoisotopic Mass: 464.103 Da
• Topological Polar Surface Area: 115.000 Ų
• Heavy Atom Count: 32
• Formal Charge: 0
• Complexity: 645.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

Frequently Asked Questions

What is the purity of this product?

This product is supplied at ≥98% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.

What is Moligand??

Moligand? is one of Aladdin Scientific's premium product lines, formulated for high-purity applications across multiple workflows. Compared to standard grades in the same workflow, Moligand? products typically offer tighter specifications, more rigorous QC, and stronger lot-to-lot consistency.

How should this product be stored?

Store at ?20 °C under argon. It is supplied under an argon blanket; reseal under inert gas after each use.

How is this product shipped?

This product ships in an insulated container with ice pads. Unpack on arrival and transfer it to the storage condition stated above.

What are the CAS number, molecular formula and molecular weight?

The CAS Number is 252917-06-9, the molecular formula is C22H18Cl2N8, and the molecular weight is 465.34 g/mol. InChIKey AQGNHMOJWBZFQQ-UHFFFAOYSA-N.

What documentation is provided?

Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.