1. Neuronal Signaling Stem Cell/Wnt
  2. γ-secretase
  3. ELN318463

ELN318463 is an amyloid precursor protein (APP) selective γ-secretase inhibitor. ELN318463 shows differential inhibition of presenilin (PS1)- and PS2-comprised γ-secretase with EC50s of 12 nM and 656 nM for PS1 and PS2, respectively. ELN318463 is 51-fold more selective for PS1.

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ELN318463 Chemical Structure

ELN318463 Chemical Structure

CAS No. : 851600-86-7

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10 mg USD 1300 In-stock
50 mg USD 3500 In-stock
100 mg USD 4900 In-stock
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Customer Review

Based on 1 publication(s) in Google Scholar

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Description

ELN318463 is an amyloid precursor protein (APP) selective γ-secretase inhibitor. ELN318463 shows differential inhibition of presenilin (PS1)- and PS2-comprised γ-secretase with EC50s of 12 nM and 656 nM for PS1 and PS2, respectively. ELN318463 is 51-fold more selective for PS1[1][2].

IC50 & Target

EC50: 12 nM (PS1 γ-secretase), 656 nM (PS2 γ-secretase)[1]

In Vitro

ELN318463 behaves as a classic γ-secretase inhibitor, demonstrates 75- to 120-fold selectivity for inhibiting Aβ production compared with Notch signaling in cells, and displaces an active site directed inhibitor at very high concentrations only in the presence of substrate[2].

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

In Vivo

ELN318463 (30 mg/kg or 100 mg/kg; orally) leads acute reduction of brain Aβ in in the PDAPP transgene model of Alzheimer's disease (AD) as well as in wild-type FVB strain mice[2].

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

Animal Model: Female, two- to three-month old, FVB/N mice and PDAPP transgene model of Alzheimer's disease (AD)[2]
Dosage: 30 mg/kg or 100 mg/kg
Administration: Orally
Result: Brain levels at 30 mg/kg were 0.754 μM in FVB brains and 0.69 μM in PDAPP brains, and at 100 mg/kg dose the levels were 2.7 μM in FVB brains and 1.87 μM in PDAPP brains.
Molecular Weight

471.80

Formula

C19H20BrClN2O3S

CAS No.
Appearance

Solid

Color

Off-white to light yellow

SMILES

O=S(N(CC1=CC=C(Br)C=C1)[C@H]2C(NCCCC2)=O)(C(C=C3)=CC=C3Cl)=O

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 : 125 mg/mL (264.94 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.1195 mL 10.5977 mL 21.1954 mL
5 mM 0.4239 mL 2.1195 mL 4.2391 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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Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.08 mg/mL (4.41 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% Corn Oil

    Solubility: ≥ 2.08 mg/mL (4.41 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL Corn oil, and mix evenly.

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

Dosage

mg/kg

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g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation
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 2.1195 mL 10.5977 mL 21.1954 mL 52.9886 mL
5 mM 0.4239 mL 2.1195 mL 4.2391 mL 10.5977 mL
10 mM 0.2120 mL 1.0598 mL 2.1195 mL 5.2989 mL
15 mM 0.1413 mL 0.7065 mL 1.4130 mL 3.5326 mL
20 mM 0.1060 mL 0.5299 mL 1.0598 mL 2.6494 mL
25 mM 0.0848 mL 0.4239 mL 0.8478 mL 2.1195 mL
30 mM 0.0707 mL 0.3533 mL 0.7065 mL 1.7663 mL
40 mM 0.0530 mL 0.2649 mL 0.5299 mL 1.3247 mL
50 mM 0.0424 mL 0.2120 mL 0.4239 mL 1.0598 mL
60 mM 0.0353 mL 0.1766 mL 0.3533 mL 0.8831 mL
80 mM 0.0265 mL 0.1325 mL 0.2649 mL 0.6624 mL
100 mM 0.0212 mL 0.1060 mL 0.2120 mL 0.5299 mL
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ELN318463 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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ELN318463
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HY-50882
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