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ETP-45658

Alias: ETP45658; ETP 45658; ETP-45658
Cat No.:V20840 Purity: ≥98%
ETP-45658 is a potent PI3K inhibitor (antagonist) with IC50s of 22.0 nM, 39.8 nM, 129.0 nM and 717.3 nM for inhibiting PI3Kα, PI3Kδ, PI3Kβ and PI3Kγ respectively.
ETP-45658
ETP-45658 Chemical Structure CAS No.: 1198357-79-7
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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5mg
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Product Description
ETP-45658 is a potent PI3K inhibitor (antagonist) with IC50s of 22.0 nM, 39.8 nM, 129.0 nM and 717.3 nM for inhibiting PI3Kα, PI3Kδ, PI3Kβ and PI3Kγ respectively. ETP-45658 also inhibits DNA-PK (IC50=70.6 nM) and mTOR (IC50=152.0 nM). ETP-45658 may be used in cancer-related research.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
In U2OS cells, ETP-45658 (10 μM; 4 hours) decreases the phosphorylation of Gsk3-β, p70 S6K, and FOXO3a [1]. The growth of MCF7, PC3, 786-O, HTC116, and U251 cells is inhibited by ETP-45658, with EC50 values of 0.48 μM, 0.49 μM, 2.62 μM, 3.53 μM, and 5.56 μM, in that order [1]. In PC3 cells, ETP-45658 (10 μM; 24 hours) significantly promotes G1 arrest [1]. Mutant PI3Kα proteins H1047R and E545K are inhibited by ETP-45658, with IC50 values of 16.8 nM and 13.1 nM, respectively[1]. In U2foxRELOC cells, ETP-45658 (5 nM-11.1 μM; 1 hour) causes a dose-dependent increase in GFP-FOXO nuclear translocation [1]. In U2OS cells, ETP-45658 (10 μM; 1 hour) decreases p-Akt and cyclin D1 expression on serine 473 [1].
ln Vivo
Transgenic mice's mammary ducts show lower levels of phosphorylated Akt on serine 473 when exposed to ETP-45658 (22.7 mg/kg) [1].
Cell Assay
Western Blot Analysis [1]
Cell Types: U2OS Cell
Tested Concentrations: 10 μM
Incubation Duration: 4 hrs (hours)
Experimental Results: Causes a 95% reduction in FOXO3a threonine 32 phosphorylation and a 55% reduction in Gsk3-β serine 9 phosphorylation. Phosphorylation of mTOR substrate p70 S6K.
References

[1]. Chemical interrogation of FOXO3a nuclear translocation identifies potent and selective inhibitors of phosphoinositide 3-kinases. J Biol Chem. 2009 Oct 9;284(41):28392-28400.

[2]. A novel phosphatidylinositol 3-kinase (PI3K) inhibitor directs a potent FOXO-dependent, p53-independent cell cycle arrest phenotype characterized by the differential induction of a subset of FOXO-regulated genes. Breast Cancer Res. 2014 De.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C16H17N5O2
Molecular Weight
311.338482618332
Exact Mass
311.138
CAS #
1198357-79-7
PubChem CID
25229608
Appearance
White to off-white solid powder
LogP
1.6
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
6
Rotatable Bond Count
2
Heavy Atom Count
23
Complexity
406
Defined Atom Stereocenter Count
0
SMILES
O1CCN(C2C3C=NN(C)C=3N=C(C3C=CC=C(C=3)O)N=2)CC1
InChi Key
BJVRNXSHJLDZJR-UHFFFAOYSA-N
InChi Code
InChI=1S/C16H17N5O2/c1-20-15-13(10-17-20)16(21-5-7-23-8-6-21)19-14(18-15)11-3-2-4-12(22)9-11/h2-4,9-10,22H,5-8H2,1H3
Chemical Name
3-(1-methyl-4-morpholin-4-ylpyrazolo[3,4-d]pyrimidin-6-yl)phenol
Synonyms
ETP45658; ETP 45658; ETP-45658
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 : ~250 mg/mL (~802.98 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (6.68 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 20.8 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: ≥ 2.08 mg/mL (6.68 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 20.8 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.

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Solubility in Formulation 3: ≥ 2.08 mg/mL (6.68 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (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 20.8 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.2119 mL 16.0596 mL 32.1192 mL
5 mM 0.6424 mL 3.2119 mL 6.4238 mL
10 mM 0.3212 mL 1.6060 mL 3.2119 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.

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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?
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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.

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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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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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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.

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