CAS No. 111358-88-4

Lestaurtinib Chemical Structure
Chemical Structure
Check the Lestaurtinib product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name (15S,16S,18R)-16-hydroxy-16-(hydroxymethyl)-15-methyl-28-oxa-4,14,19-triazaoctacyclo[12.11.2.115,18.02,6.07,27.08,13.019,26.020,25]octacosa-1,6,8,10,12,20,22,24,26-nonaen-3-one
CAS Number 111358-88-4
Molecular Formula

C26H21N3O4
Molecular Weight (MW) 439.46
SMILES CC12C(CC(O1)N3C4=CC=CC=C4C5=C6C(=C7C8=CC=CC=C8N2C7=C53)CNC6=O)(CO)O
InChIKey UIARLYUEJFELEN-LROUJFHJSA-N

Biological Activity

Lestaurtinib is an orally active indolocarbazole derivative that functions as a multikinase inhibitor, potently targeting FLT3 (IC50 3 nM) and JAK2. By blocking receptor kinase autophosphorylation, Lestaurtinib suppresses downstream JAK/STAT and FLT3 signaling pathways. This inhibition impairs cellular proliferation and induces apoptotic cell death in acute myeloid leukemia and myeloproliferative neoplasm models. [1][2]

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Reference

[1] Levis M, et al. Blood. 2002;99(11):3885-91.

[2] Hexner EO, et al. Blood. 2008;111(12):5663-71.

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Note: Technical data last updated: Sep 1, 2026.