1. Metabolic Enzyme/Protease Apoptosis
  2. Phosphatase Apoptosis
  3. Sal003

Sal003 is a potent, specific and cell-permeable inhibitor of the eukaryotic translation initiation factor 2α (eIF2α) phosphatase. Sal003 is a derivative of salubrinal.

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Sal003 Chemical Structure

Sal003 Chemical Structure

CAS No. : 1164470-53-4

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10 mM * 1 mL in DMSO
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Customer Review

Based on 2 publication(s) in Google Scholar

Top Publications Citing Use of Products
  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

Sal003 is a potent, specific and cell-permeable inhibitor of the eukaryotic translation initiation factor 2α (eIF2α) phosphatase. Sal003 is a derivative of salubrinal[1].

IC50 & Target

eIF2α phosphatase[1]

In Vitro

Sal003 (20 μM; 1-12 hours) sharply increases eIF2α phosphorylation in mouse embryonic fibroblasts (MEFs)[2].
Eukaryotic translation initiation factor 2α (eIF2α) phosphorylation by Sal003 (10 μM; 1 hour) enhances subtilase cytotoxin (SubAB)-induced apoptotic signaling[1].
Sal003 promotes eIF2α phosphorylation leads to impairment of synaptic plasticity and memory[1].

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

Apoptosis Analysis[2]

Cell Line: HeLa cells
Concentration: 10 μM
Incubation Time: 1 hour
Result: Phosphorylated eIF2α and thus enhanced SubAB-induced apoptotic signaling.

Western Blot Analysis[1]

Cell Line: Mouse embryonic fibroblasts (MEFs)
Concentration: 20 μM
Incubation Time: 1 hour, 3 hours, 6 hours, 12 hours
Result: Sharply increased eIF2α phosphorylation in mouse MEFs.
In Vivo

Sal003 (20Μm; intrahippocampal injection; 8 minutes) impairs contextual memory in vivo[1].

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

Animal Model: Rats (300-325g)[1]
Dosage: 20 μM
Administration: Intrahippocampal injection; 8 minutes
Result: Impaired contextual memory.
Molecular Weight

463.21

Formula

C18H15Cl4N3OS

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C(NC(NC(NC1=CC=C(Cl)C=C1)=S)C(Cl)(Cl)Cl)/C=C/C2=CC=CC=C2

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 : ≥ 100 mg/mL (215.88 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 2.1588 mL 10.7942 mL 21.5885 mL
5 mM 0.4318 mL 2.1588 mL 4.3177 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)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

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: 2.5 mg/mL (5.40 mM); Suspended solution; Need ultrasonic

    This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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: ≥ 2.5 mg/mL (5.40 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 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 (25.0 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

Animal weight
(per animal)

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 2.1588 mL 10.7942 mL 21.5885 mL 53.9712 mL
5 mM 0.4318 mL 2.1588 mL 4.3177 mL 10.7942 mL
10 mM 0.2159 mL 1.0794 mL 2.1588 mL 5.3971 mL
15 mM 0.1439 mL 0.7196 mL 1.4392 mL 3.5981 mL
20 mM 0.1079 mL 0.5397 mL 1.0794 mL 2.6986 mL
25 mM 0.0864 mL 0.4318 mL 0.8635 mL 2.1588 mL
30 mM 0.0720 mL 0.3598 mL 0.7196 mL 1.7990 mL
40 mM 0.0540 mL 0.2699 mL 0.5397 mL 1.3493 mL
50 mM 0.0432 mL 0.2159 mL 0.4318 mL 1.0794 mL
60 mM 0.0360 mL 0.1799 mL 0.3598 mL 0.8995 mL
80 mM 0.0270 mL 0.1349 mL 0.2699 mL 0.6746 mL
100 mM 0.0216 mL 0.1079 mL 0.2159 mL 0.5397 mL
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Sal003 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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Sal003
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