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AP26113 | ALK inhibitor

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Catalog #:

Product Description

AP26113 is an orally-available, potent, and selective inhibitor of ALK with a potency of 0.62 nM against wild-type and activity against a wide range of mutants, including the crizotinib-resistant L1196M line. In a panel of EML4-ALK or NPM-ALK-positive cell lines, AP26113 has IC50 values of 4-31 nM. (1, 2)

AP26113 is effective against sensitive and resistant H3122 cells, reducing cell growth, suppressing ALK phosphorylation, and inducing apoptosis. In Ba/F3 cells expressing native or mutant EML4-ALK, AP26113 was active at IC50s of 10 and 24 nM, respectively. (3)

Technical information:

Chemical Formula:   C26H34ClN6O2P
CAS #:   1197958-12-5
Molecular Weight:   529.01
Purity:   > 98%
Appearance:   white
Chemical Name:   2,4-Pyrimidinediamine, 5-chloro-N2-[4-[4-(dimethylamino)-1-piperidinyl]-2-methoxyphenyl]-N4-[2-(dimethylphosphinyl)phenyl]-
Solubility:   Up to 50 mM in DMSO
Synonyms:   AP26113, AP-26113, AP 26113

Shipping Condition: The product is shipped in a glass vial at ambient temperature.
Storage condition: For longer shelf life, store solid powder at 4oC desiccated, or store DMSO solution at -20oC.


1. Shiao et al., Anaplastic Lymphoma Kinase (ALK) Inhibitors: New Cancer Breakthroughs for Lung Cancer, J. Cancer. Res. Pract. 2011, 27(4), 143-156.
2. Rivera et al., Efficacy and pharmacodynamic analysis of AP26113, a potent and selective orally active inhibitor of Anaplastic Lymphoma Kinase (ALK). Cancer Res. 2010, 70(8), Suppl 1., AACR 101st Annual Meeting 2010.
3. Katayama et al., Therapeutic strategies to overcome crizotinib resistance in non-small cell lung cancers harboring the fusion oncogene EML4-ALK. Proc. Natl. Acad. Sci. 2011, 108(18), 7535-7540. Pubmed ID: 21502504

Other Information:

Product Specification (pdf)
MSDS (pdf)
Certificate of Analysis is available upon request.

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