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meribatinib   Click here for help

GtoPdb Ligand ID: 14357

Synonyms: Compound A [WO2021213380]
Compound class: Synthetic organic
Comment: The chemical structure for this compound was obtained from WHO INN proposed list 134 (Feb 2026), in which it was described as an allosteric inhibitor of ABL1 kinase with antineoplastic potential. The structure is claimed in Shenzhen TargetRx patent WO2021213380A1 [3]. Based on published evidence meribatinib is likely the INN for TargetRx lead BCR-ABL1 inhibitor TGRX-678 [2], although the name-to-structure has not been disclosed.
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Ligand Activity Visualisation Charts

These are box plot that provide a unique visualisation, summarising all the activity data for a ligand taken from ChEMBL and GtoPdb across multiple targets and species. Click on a plot to see the median, interquartile range, low and high data points. A value of zero indicates that no data are available. A separate chart is created for each target, and where possible the algorithm tries to merge ChEMBL and GtoPdb targets by matching them on name and UniProt accession, for each available species. However, please note that inconsistency in naming of targets may lead to data for the same target being reported across multiple charts.

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View interactive charts of activity data across species
2D Structure
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2D Structure

An image of the ligand's 2D structure. For small molecules with SMILES these are drawn using the NCI/CADD Chemical Identifier Resolver. Click on the image to access the chemical structure search tool with the ligand pre-loaded in the structure editor. For other types of ligands, e.g. longer nucleotides and peptides, a manually drawn representation of the molecule may be provided.

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Click here for structure editor
Physico-chemical Properties
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Physico-chemical Properties

Calculated molecular properties are available for small molecules and natural products (not peptides). Properties were generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/). All properties were selected to enable the prediction of the Lipinski Rule-of-Five profile or ‘druglikeness’ for each ligand. For more info on each category see the help pages.

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Hydrogen bond acceptors 7
Hydrogen bond donors 1
Rotatable bonds 7
Topological polar surface area 78.65
Molecular weight 463.84
XLogP 1.91
No. Lipinski's rules broken 0

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
SMILES / InChI / InChIKey
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SMILES / InChI / InChIKey

SMILES (Simplified Molecular Input Line Entry Specification) A specification for unambiguously describing the structure of chemical molecules using short ASCII strings. Canonical SMILES specify a unique representation of the 2D structure without chiral or isotopic specifications. Isomeric SMILES include chiral specification and isotopes.

Standard InChI (IUPAC International Chemical Identifier) and InChIKey InChI is a non-proprietary, standard, textual identifier for chemical substances designed to facilitate linking of information and database searching. An InChIKey is a simplified version of a full InChI, designed for easier web searching.

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)

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Canonical SMILES C1=C(C=CC(=C1)OC(Cl)(F)F)NC(=O)C2=CC(=C(N=C2)N3CC[C@H](C3)F)C4=CN=CC=N4
Isomeric SMILES C1CN(C[C@@H]1F)C2=C(C=C(C=N2)C(=O)NC3=CC=C(C=C3)OC(F)(F)Cl)C4=NC=CN=C4
InChI InChI=1S/C21H17ClF3N5O2/c22-21(24,25)32-16-3-1-15(2-4-16)29-20(31)13-9-17(18-11-26-6-7-27-18)19(28-10-13)30-8-5-14(23)12-30/h1-4,6-7,9-11,14H,5,8,12H2,(H,29,31)/t14-/m1/s1
InChI Key YPFVDXZDEJXGKH-CQSZACIVSA-N

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
References
1. Shi Y, Jiang Q, Li L, Jiamg S, Yan T, Zheng C, Ai Y, Wang Y. (2023)
Tgrx-678, a Novel Allosteric Inhibitor of BCR-ABL1, Demonstrates Preclinical Anti-Leukemia Activity, High Oral Bioavailability and Synergism with Ponatinib to Suppress the Highly Resistant Compound Mutations.
Blood, 142 (Supplement 1): 2807. DOI: 10.1182/blood-2023-181391
2. Shi Y, Jiang Q, Li L, Zuo Y, Jiang S, Yan T, Zheng C, Zhang S, Yu N, Cao J et al.. (2025)
Preclinical characterization of TGRX-678, a brain-penetrant allosteric inhibitor of BCR::ABL1.
Blood, 146 (17): 2088-2101. [PMID:40700636]
3. Wang Y, Zhao J. (2021)
Solid form of pyrazine substituted nicotinamide, and preparation and use thereof.
Patent number: WO2021213380A1. Assignee: Shenzhen Targetrx Inc. Priority date: 20/04/2021. Publication date: 28/10/2021.