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Firmonertinib (mesylate)

Firmonertinib (Alflutinib; Furmonertinib) mesylate is is an orally active, mutant-selective, and highly brain penetrant EGFR inhibitor. Firmonertinib mesylate inhibits EGFR active mutations as well as the T790M acquired resistant mutation. Firmonertinib mesylate has the potential for the research of cancer diseases, especially advanced non-small cell lung cancer (NSCLC) with EGFR ex20ins mutation[1].

Product Specifications

CAS Number

2130958-55-1

Product Name Alternative

Alflutinib (mesylate) ; Furmonertinib (mesylate) ; AST2818 (mesylate)

UNSPSC

12352005

Hazard Statement

H302, H315, H319, H335

Target

EGFR

Type

Reference compound

Related Pathways

JAK/STAT Signaling; Protein Tyrosine Kinase/RTK

Applications

Cancer-Kinase/protease

Field of Research

Cancer

Assay Protocol

https://www.medchemexpress.com/firmonertinib-mesylate.html

Purity

99.97

Solubility

DMSO : 5 mg/mL (ultrasonic)

Smiles

C=CC(NC1=CC(NC2=NC=CC(C3=CN(C)C4=C3C=CC=C4)=N2)=C(OCC(F)(F)F)N=C1N(CCN(C)C)C)=O.CS(=O)(O)=O

Molecular Formula

C29H35F3N8O5S

Molecular Weight

664.70

Precautions

H302, H315, H319, H335

References & Citations

[1]Y. Shi, et al. P2.03-028 Third Generation EGFR Inhibitor AST2818 (Alflutinib) in NSCLC Patients with EGFR T790M Mutation: A phase1/2 Multi-Center Clinical Trial. |[2]Alexander I. Spira, et al. FURVENT: Phase 3 trial of furmonertinib vs chemotherapy as first-line treatment for advanced NSCLC with EGFR exon 20 insertion mutations (FURMO-004) . Journal of Clinical Oncology. Volume 42, Number 16_suppl

Shipping Conditions

Room Temperature

Storage Conditions

4°C (Powder, sealed storage, away from moisture)

Scientific Category

Reference compound1

Clinical Information

Launched

Isoform

EGFR/ErbB1/HER1

Citation 01

Adv Ther. 2024 Jul 18.|Patent. US20220177473A1.|Biol Methods Protoc. 2025 Feb 13;10 (1) :bpaf012.|Cancer Res. 2025 Nov 6.|Cell Death Differ. 2025 Oct 30.|JTO Clin Res Rep. 2023 Nov 27;5 (1) :100614.

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