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Cat. No.: HY-189681

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QLH-11811

QLH-11811 is a mutant-selective EGFR tyrosine kinase inhibitor. QLH-11811 reversibly inhibits EGFR-19del/T790M/C797S and EGFR-L858R/T790M/C797S tyrosine kinase activity (IC₅₀ = 2.6 nM and 3.1 nM, respectively), thereby overcoming C797S-mediated drug resistance. QLH-11811 exhibits weaker inhibitory activity against wild-type EGFR than against mutant EGFR variants. QLH-11811 can be used for research on advanced non-small cell lung cancer.

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

CAS No.: 2595202-02-9
Formula: C₂₉H₃₁BrN₉O₃P
Molecular Weight:664.49

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Please store the product under the recommended conditions in the Certificate of Analysis.

QLH-11811 Chemical Structure

CAS No.: 2595202-02-9

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One-stop solution for XDC (ADC/PDC/RDC/ApDC/FDC/ISAC/VDC/SMDC)

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Biological Activity

Description

All EGFR Isoforms :

In Vitro

Anti-cancer

QLH-11811 exhibited IC₅₀ values of 2.6 nM and 3.1 nM against EGFR-19del/T790M/C797S-TK and EGFR-L858R/T790M/C797S-TK in Ba/F3 cell lines, respectively, and an IC50 of 61 nM against wild-type EGFR; in A431 cell lines, its IC₅₀ against wild-type EGFR was 440 nM, demonstrating selectivity for mutant EGFR^[1].

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

Related Protocols :

Chemical Information

CAS No. 2595202-02-9
Molecular Weight 664.49
Formula C₂₉H₃₁BrN₉O₃P
SMILES

CN1C=C(C=N1)C2=C(C=C(C(NC3=NC=C(C(NC4=CC=C5N=CC=NC5=C4P(C)(C)=O)=N3)Br)=C2)OC)N6CCOCC6
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Room temperature in continental US; may vary elsewhere.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Purity & Documentation

Handling Instructions (2659 KB)

References

[1]. Kadam VM, et al. Recent advances in synthetic strategies of fourth-generation EGFR tyrosine kinase inhibitors under clinical trials for the treatment of resistant non-small cell lung cancer (NSCLC). Bioorganic chemistry. 2026 Oct 05;181:110353.

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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.

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