1. PI3K/Akt/mTOR
  2. PI3K
  3. ETP-46321

ETP-46321 is a potent and orally bioavailable PI3Kα and PI3Kδ inhibitor with Kiapps of 2.3 and 14.2 nM, respectively.

For research use only. We do not sell to patients.

ETP-46321 Chemical Structure

ETP-46321 Chemical Structure

CAS No. : 1252594-99-2

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Solid + Solvent
10 mM * 1 mL in DMSO
ready for reconstitution
USD 253 In-stock
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10 mM * 1 mL in DMSO USD 253 In-stock
Solid
5 mg USD 230 In-stock
10 mg USD 360 In-stock
25 mg USD 680 In-stock
50 mg USD 950 In-stock
100 mg USD 1330 In-stock
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Description

ETP-46321 is a potent and orally bioavailable PI3Kα and PI3Kδ inhibitor with Kiapps of 2.3 and 14.2 nM, respectively.

IC50 & Target[1]

p110α

2.3 nM (Ki)

PI3Kα-E545K

1.77 nM (Ki)

PI3Kα-E542K

1.89 nM (Ki)

PI3Kα-H1047R

2.33 nM (Ki)

p110δ

14.2 nM (Ki)

p110β

170 nM (Ki)

p110γ

179 nM (Ki)

In Vitro

ETP-46321 is selected to be screened against other PI3K isoforms. ETP-46321 is more potent against isoform α (Kiapp=2.3 nM). ETP-4632, has been profiled and shown to be a potent PI3K α and δ inhibitor, highly selective versus mTOR and 288 representative kinases. ETP-46321 is also tested against three of the p110α mutant enzymes detected in human cancers (E542K, E545K and H1047R), being equipotent against these mutants when compared to the wild type protein (Kiapp=2.33, 1.77 and 1.89 nM for PI3Kα-H1047R, PI3Kα-E545K and PI3Kα-E542K, respectively). ETP-46321 inhibits the phosphorilation of AKT in U2OS cell line with an IC50 of 8.3 nM[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

ETP-46321, is selected for in vivo studies based on its appealing pharmacokinetic profile in BALB-C mice, low in vivo Clearance (0.6 L/h/Kg) and good oral bioavailability (90%). ETP-46321 demonstrates a good pharmacokinetic profile in mice and is selected for preliminary in vivo evaluation in a lung tumor mouse model driven by a K-RasG12V oncogenic mutation, showing significant tumor growth inhibition, and reduction of the tumor metabolic activity as measured by positron emission tomography (PET) techniques[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Molecular Weight

473.55

Formula

C20H27N9O3S

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

NC(N=C1)=NC=C1C2=CN3C=C(CN4CCN(S(=O)(C)=O)CC4)N=C3C(N5CCOCC5)=N2

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : ≥ 33 mg/mL (69.69 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.1117 mL 10.5585 mL 21.1171 mL
5 mM 0.4223 mL 2.1117 mL 4.2234 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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This equation is commonly abbreviated as: C1V1 = C2V2

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In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
Purity & Documentation
References
Animal Administration
[1]

Mice[1]
BALB/C mice are treated daily with ETP-46321 (50 mg/kg, p.o.) for three weeks. Tumor volumes of four mice in each treatment group are measured and compared to the starting volume at the beginning of the treatment.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.1117 mL 10.5585 mL 21.1171 mL 52.7927 mL
5 mM 0.4223 mL 2.1117 mL 4.2234 mL 10.5585 mL
10 mM 0.2112 mL 1.0559 mL 2.1117 mL 5.2793 mL
15 mM 0.1408 mL 0.7039 mL 1.4078 mL 3.5195 mL
20 mM 0.1056 mL 0.5279 mL 1.0559 mL 2.6396 mL
25 mM 0.0845 mL 0.4223 mL 0.8447 mL 2.1117 mL
30 mM 0.0704 mL 0.3520 mL 0.7039 mL 1.7598 mL
40 mM 0.0528 mL 0.2640 mL 0.5279 mL 1.3198 mL
50 mM 0.0422 mL 0.2112 mL 0.4223 mL 1.0559 mL
60 mM 0.0352 mL 0.1760 mL 0.3520 mL 0.8799 mL
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ETP-46321 Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Product Name:
ETP-46321
Cat. No.:
HY-12340
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