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Sonolisib (PX866)

Alias: Sonolisib; PX 866; PX866; PX866
Cat No.:V4886 Purity: ≥98%
Sonolisib (also known as PX-866), a wortmannin analog, is a novel, an oral, irreversible, and pan-isoform small-molecule inhibitor ofphosphoinositide 3-kinase/PI3K(IC50=0.1 nM (p110α), 1.0 nM (p120γ), 2.9 nM (p110δ)) with with potential antineoplastic activity.
Sonolisib (PX866)
Sonolisib (PX866) Chemical Structure CAS No.: 502632-66-8
Product category: PI3K
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
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25mg
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

Sonolisib (also known as PX-866)is a novel, oral, irreversible, and pan-isoform small-molecule inhibitor of phosphoinositide 3-kinase/PI3K with potential anticancer activity (IC50=0.1 nM (p110α), 1.0 nM (p120γ), and 2.9 nM (p110δ). anti-tumor effects. Sonolisib prevents the secondary messenger phosphatidylinositol-3,4,5-triphosphate (PIP3) from being produced and the PI3K/Akt signaling pathway from being activated, which may prevent the growth and survival of tumor cells in populations of tumor cells that are susceptible to this effect. The PI3K/Akt signaling pathway is frequently involved in the development of tumors, and aberrant PI3K/Akt signaling may play a role in the development of tumor resistance to a range of antineoplastic agents.

Biological Activity I Assay Protocols (From Reference)
Targets
p110α (IC50 = 0.1 nM); p110δ (IC50 = 2.9 nM); p120γ (IC50 = 1 nM)
ln Vitro
Sonolisib (PX-866) suppresses the activation of PI3K/Akt signaling and the phospholipid messenger phosphoinositol-3,4,5-trisphosphate (PIP3), which may suppress the proliferation of tumor cells and vulnerable tumor cell populations [3].
References

[1]. The phosphatidylinositol-3-kinase inhibitor PX-866 overcomes resistance to the epidermal growthfactor receptor inhibitor ZD1839 in A-549 human non-small cell lung cancer xenografts. Mol Cancer Ther. 2005 Sep;4(9):1349-57.

[2]. A Randomized, Phase II Trial of C225 With or Without PX-866, an Irreversible Oral Phosphatidylinositol 3-Kinase Inhibitor, in Patients With Metastatic Colorectal Carcinoma. Clin Colorectal Cancer. 2016 Dec;15(4):337-344.e2.

[3]. Sonolisib.

Additional Infomation
PX-866 is an organic heterotetracyclic compound that is obtained from wortmanin via aminolysis of its furan ring by diallyl amine. It has a role as an EC 2.7.1.137 (phosphatidylinositol 3-kinase) inhibitor. It is an organic heterotetracyclic compound, a delta-lactone, an acetate ester and a tertiary amino compound. It is functionally related to a wortmannin.
Sonolisib has been used in trials studying the treatment of Glioblastoma, Prostate Cancer, Advanced Solid Tumors, Advanced BRAF-mutant Cancers, and Non Small Cell Lung Cancer (NSCLC), among others.
Sonolisib is a small-molecule wortmannin analogue inhibitor of the alpha, gamma, and delta isoforms of phosphoinositide 3-kinase (PI3K) with potential antineoplastic activity. Sonolisib inhibits the production of the secondary messenger phosphatidylinositol-3,4,5-trisphosphate (PIP3) and activation of the PI3K/Akt signaling pathway, which may result in inhibition of tumor cell growth and survival in susceptible tumor cell populations. Activation of the PI3K/Akt signaling pathway is frequently associated with tumorigenesis and dysregulated PI3K/Akt signaling may contribute to tumor resistance to a variety of antineoplastic agents.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C29H35NO8
Molecular Weight
525.5901
Exact Mass
525.236
Elemental Analysis
C, 66.27; H, 6.71; N, 2.66; O, 24.35
CAS #
502632-66-8
Related CAS #
502632-66-8
PubChem CID
9849735
Appearance
Yellow solid powder
Density
1.3±0.1 g/cm3
Boiling Point
651.4±55.0 °C at 760 mmHg
Flash Point
347.7±31.5 °C
Vapour Pressure
0.0±4.4 mmHg at 25°C
Index of Refraction
1.586
LogP
2.37
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
9
Rotatable Bond Count
9
Heavy Atom Count
38
Complexity
1200
Defined Atom Stereocenter Count
5
SMILES
C=CCN(CC=C)/C=C\1/C2=C(C(=O)C3=C(C(CC4(C)C3CCC4=O)OC(=O)C)C2(C)C(COC)OC1=O)O
InChi Key
QIUASFSNWYMDFS-NILGECQDSA-N
InChi Code
InChI=1S/C29H35NO8/c1-7-11-30(12-8-2)14-17-23-26(34)25(33)22-18-9-10-20(32)28(18,4)13-19(37-16(3)31)24(22)29(23,5)21(15-36-6)38-27(17)35/h7-8,14,18-19,21,34H,1-2,9-13,15H2,3-6H3/b17-14+/t18-,19+,21+,28-,29-/m0/s1
Chemical Name
(4S,4aR,5R,6aS,9aR,E)-1-((diallylamino)methylene)-11-hydroxy-4-(methoxymethyl)-4a,6a-dimethyl-2,7,10-trioxo-1,2,4,4a,5,6,6a,7,8,9,9a,10-dodecahydroindeno[4,5-h]isochromen-5-yl acetate
Synonyms
Sonolisib; PX 866; PX866; PX866
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO: ~100 mg/mL (190.3 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (4.76 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (4.76 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.9026 mL 9.5131 mL 19.0262 mL
5 mM 0.3805 mL 1.9026 mL 3.8052 mL
10 mM 0.1903 mL 0.9513 mL 1.9026 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
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Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(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.

Clinical Trial Information
NCT Number Status Interventions Conditions Sponsor/Collaborators Start Date Phases
NCT01408316 Completed Drug: PX-866 Healthy Volunteer Cascadian Therapeutics Inc. July 2011 Phase 1
NCT00726583 Completed Drug: PX-866 Advanced Solid Tumors Cascadian Therapeutics Inc. June 2008 Phase 1
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