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: Cat #: V33462 CAS #: 1239358-85-0 Purity ≥ 99%
Description: Ilginatinib (NS018; NS-018) HCl, the hydrochloride salt form of NS-018, is an oral and potent JAK2 inhibitor with potential anticancer activity. It inhibits JAK2 with an IC50 of 0.72 nM, and exhibits 46-, 54-, and 31-fold selectivity for JAK2 over JAK1 (IC50, 33 nM), JAK3 (IC50, 39 nM), and Tyk2 (IC50, 22 nM). JAK2/Src inhibitor NS-018 competes with ATP for binding to JAK2 as well as the mutated form JAK2V617F, thereby inhibiting the activation of JAK2 and downstream molecules in the JAK2/STAT3 (signal transducer and activator of transcription 3) signaling pathway that plays an important role in normal development, particularly hematopoiesis. In addition, NS-018 inhibits the Src family tyrosine kinases. This eventually leads to the induction of tumor cell apoptosis.
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| Molecular Weight (MW) | 425.89 |
|---|---|
| Molecular Formula | C₂₁H₂₁ClFN₇ |
| CAS No. | 1239358-85-0 |
| Synonyms | NS-018 hydrochloride |
| Protocol | In Vitro | NS-018 is a highly active JAK2 inhibitor, with an IC50 of 0.72 nM, 46-, 54-, and 31-fold selectivity for JAK2 over JAK1 (IC50, 33 nM), JAK3 (IC50, 39 nM), and Tyk2 (IC50, 22 nM). NS-018 also inhibits Src-family kinases, especially SRC and FYN, and weakly inhibits ABL and FLT3 with 45- and 90-fold selectivity for JAK2, respectively. NS-018 shows potent inhibitory activity against cell lines JAK2V617F or MPLW515L mutations or the TEL-JAK2 fusion gene (expressing a constitutively activated JAK2) with IC50 of 11-120 nM, but has only minimal cytotoxicity against most other hematopoietic cell lines that have no constitutively activated JAK2[1]. NS-018 (0.5 μM) preferentially suppresses colony-forming unitgranulocyte/macrophage (CFU-GM) formation from myelodysplastic syndrome (MDS)-derived bone marrow mononuclear cells (BMMNCs). NS-018 (1 μM) suppresses the phosphorylation of STAT3 (the downstream kinase of JAK2) in CFU-GM-forming cells from MDS patients[2]. |
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| In Vivo | NS-018 (12.5, 25, 50, 100 mg/kg, p.o.) potently prolongs the survival of mice and reduces splenomegaly in a mouse Ba/F3-JAK2V617F disease model. NS-018 (25, 50 mg/kg, p.o.) significantly reduces leukocytosis, hepatosplenomegaly and extramedullary hematopoiesis, improves nutritional status, and prolongs survival in JAK2V617F transgenic mice[1]. |
| Solvent volume to be added | Mass (the weight of a compound) | |||
|---|---|---|---|---|
| Mother liquor concentration | 1mg | 5mg | 10mg | 20mg |
| 1mM | 2.3480 mL | 11.7401 mL | 23.4802 mL | 46.9605 mL |
| 5mM | 0.4696 mL | 2.3480 mL | 4.6960 mL | 9.3921 mL |
| 10mM | 0.2348 mL | 1.1740 mL | 2.3480 mL | 4.6960 mL |
| 20mM | 0.1174 mL | 0.5870 mL | 1.1740 mL | 2.3480 mL |
This equation is commonly abbreviated as: C1 V1 = C2 V2
- (1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
- (2) Be sure to add the solvent(s) in order.