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Tuspetinib (HM43239) hydrate is a selectively active FLT3 inhibitor for oral administration, demonstrating IC₅₀ values of 1.1 nM for FLT3 WT, 1.8 nM for FLT3 internal tandem duplication (ITD), and 1.0 nM for FLT3 D835Y kinases. As a reversible type I inhibitor, it suppresses FLT3 kinase activity and influences signaling pathways including p-STAT5, p-ERK, SYK, JAK1/2, and TAK1. Additionally, Tuspetinib hydrate inhibits leukemic cell proliferation and triggers apoptosis [1] [2] [3].

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 10 mg | Inquiry | 10-14 weeks | 10-14 weeks | |
| 50 mg | Inquiry | 10-14 weeks | 10-14 weeks |
| Description | Tuspetinib (HM43239) hydrate is a selectively active FLT3 inhibitor for oral administration, demonstrating IC₅₀ values of 1.1 nM for FLT3 WT, 1.8 nM for FLT3 internal tandem duplication (ITD), and 1.0 nM for FLT3 D835Y kinases. As a reversible type I inhibitor, it suppresses FLT3 kinase activity and influences signaling pathways including p-STAT5, p-ERK, SYK, JAK1/2, and TAK1. Additionally, Tuspetinib hydrate inhibits leukemic cell proliferation and triggers apoptosis [1] [2] [3]. |
| Synonyms | HM43239 hydrate |
| Molecular Weight | 519.08 |
| Formula | C29H35ClN6O |
| Cas No. | 2758339-04-5 |
| Smiles | ClC=1C(C=2C=3C(NC2)=CC(C)=CC3)=NC(NC4=CC(=CC(CN5C[C@@H](C)N[C@@H](C)C5)=C4)C6CC6)=NC1.O |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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