Voxtalisib (XL-765, SAR-245409)
This product is for research use only, not for human use. We do not sell to patients.
For small sizes, please check our retail website as below: www.invivochem.com
| Size | Price | Stock |
|---|---|---|
| 250mg | $810 | Check With Us |
| 500mg | $1110 | Check With Us |
| 1g | $1665 | Check With Us |
: Cat #: V0106 CAS #: 934493-76-2 Purity ≥ 98%
Description: Voxtalisib (also known as SAR245409, XL765) is a potent, orally bioavailable small molecule and dual inhibitor of mTOR/PI3K (mammalian target of rapamycin/phosphatidylinositol 3 kinase) with anticancer activity.
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| Molecular Weight (MW) | 270.29 |
|---|---|
| Molecular Formula | C13H14N6O |
| CAS No. | 934493-76-2 |
| SMILES Code | O=C1C(C2=CC=NN2)=CC3=C(C)N=C(N)N=C3N1CC |
| Synonyms | XL765; XL 765; XL-765; SAR245409; SAR245409; SAR 245409; Voxtalisib |
| Protocol | In Vitro | Voxtalisib (XL765) displays potent inhibitory activity against class I PI3K isoforms p110α, p110β, p110δ, and p120γ, with IC50s of 39, 110, 43, and 9 nM, respectively. The IC50 value for inhibition of PI3Kα by Voxtalisib is determined at various concentrations of ATP, revealing Voxtalisib be an ATP-competitive inhibitor with an equilibrium inhibition constant (Ki) value of 13 nM. Voxtalisib also inhibits mTOR (IC50s of 160 and 910 nM for mTORC1 and mTORC2, respectively) in an immune-complex kinase assay and the PI3K-related kinase DNA-PK (IC50 value of 150 nM). In contrast, Voxtalisib (XL765) has relatively weak inhibitory activity toward the class III PI3K vacuolar sorting protein 34 (VPS34; IC50 value of ~9.1 μM). Consistent with its inhibitory activity against purified PI3K proteins, SAR245409 inhibits EGF-induced PIP3 production in PC-3 and MCF7 cells with IC50s of 290 and 170 nM, respectively. The ability of Voxtalisib to inhibit phosphorylation of key signaling proteins downstream of PI3K is examined by assessing its effects on EGF-stimulated phosphorylation of AKT and on nonstimulated phosphorylation of S6 in PC-3 cells by cell-based ELISA. Voxtalisib inhibits these activities with IC50s of 250 and 120 nM, respectively. In MCF7 and PC-3 cells, Voxtalisib inhibits proliferation (monitored by BrdUrd incorporation) with IC50s of 1,070 and 1,840 nM, respectively. To further characterize the effects of Voxtalisib on tumor cell growth, an assay monitoring the anchorage-independent growth of PC-3 and MCF7 cells in soft agar over a 14-day period is used. SAR245409 inhibits colony growth with an IC50 value of 270 nM in PC-3 cells and 230 nM in MCF7 cells. |
|---|---|---|
| In Vivo | Oral administration of Voxtalisib (XL765) causes a dose-dependent decrease of phosphorylation of AKT, p70S6K, and S6 in the tumors, reaching a maximum of 84% inhibition of S6 phosphorylation at 30 mg/kg at 4 hours. The dose-response relationships derive from the 4 hours time point predict 50% inhibition of AKT, p70S6K, and S6 phosphorylation to occur at doses of 19 mg/kg (pAKTT308 and pAKTS473), 51 mg/kg (p-p70S6K), and 18 mg/kg (pS6). Inhibition of AKT, p70S6K, and S6 phosphorylation in MCF7 tumors following a 30 mg/kg dose of Voxtalisib is maximal at 4 hours, reaching 61% to 84%; however, the level of inhibition decreases to 0% to 42% by 24 hours, and minimal or no inhibition is evident by 48 hours. Following a 100 mg/kg dose of Voxtalisib, inhibition is also maximal at 4 hours (52%-75%). |
These protocols are for reference only. InvivoChem does not
independently validate these methods.
| Solvent volume to be added | Mass (the weight of a compound) | |||
|---|---|---|---|---|
| Mother liquor concentration | 1mg | 5mg | 10mg | 20mg |
| 1mM | 3.6997 mL | 18.4986 mL | 36.9973 mL | 73.9946 mL |
| 5mM | 0.7399 mL | 3.6997 mL | 7.3995 mL | 14.7989 mL |
| 10mM | 0.3700 mL | 1.8499 mL | 3.6997 mL | 7.3995 mL |
| 20mM | 0.1850 mL | 0.9249 mL | 1.8499 mL | 3.6997 mL |
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The dilution calculator equation
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Step One: Enter information below
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Step Two: Enter the in vivo formulation
%DMSO
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%Tween 80
+
%ddH2O
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Method for preparing DMSO master liquid:
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Method for preparing in vivo formulation:
Take
µL
DMSO master liquid, next add
µL
PEG300, mix and clarify, next add
µL
Tween 80,mix and clarify, next add
µL
ddH2O,mix and clarify.
Note:
- (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.