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EG1, a specific Pax2 inhibitor, directly binds the paired domain of Pax2 (Kd=1.35-1.5 μM) and inhibits Pax2-DNA interactions. EG1 can inhibit embryonic kidney development, a process directly dependent on Pax2 activity.

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

EG1 Chemical Structure

EG1 Chemical Structure

CAS No. : 693241-54-2

Size Price Stock Quantity
5 mg USD 183 In-stock
10 mg USD 275 In-stock
25 mg USD 550 In-stock
50 mg USD 820 In-stock
100 mg   Get quote  
200 mg   Get quote  

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Based on 1 publication(s) in Google Scholar

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  • Biological Activity

  • Purity & Documentation

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Description

EG1, a specific Pax2 inhibitor, directly binds the paired domain of Pax2 (Kd=1.35-1.5 μM) and inhibits Pax2-DNA interactions. EG1 can inhibit embryonic kidney development, a process directly dependent on Pax2 activity[1].

In Vitro

EG1 (0-12.5 μM; 48 hours) decreases viability in Pax2 positive renal cancer cell lines[1].
EG1 (0-500 μM) is capable of inhibiting Pax2 mediated expression of EGFP without significant effects on Pax2 protein levels[1].

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

Cell Viability Assay[1]

Cell Line: Pax2 positive: a renal cell carcinoma line (RCC111), two ovarian carcinoma cell lines (TOV112D and ES-2); Pax2 negative: prostate cell lines 22Rv1, PC3 or the ovarian cancer cell line SK-OV-3
Concentration: 0, 12.5, 25 μM
Incubation Time: 48 hours
Result: All Pax2 positive cells exhibited a significant decrease in cell viability, whereas none of the Pax2 negative cells were affected.
Molecular Weight

390.39

Formula

C22H18N2O5

CAS No.
Appearance

Solid

Color

Off-white to yellow

SMILES

O=C(O)C1=CC=CC=C1NC(C2=CC=C(NC(C3=CC=CC=C3OC)=O)C=C2)=O

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 83.33 mg/mL (213.45 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 2.5615 mL 12.8077 mL 25.6154 mL
5 mM 0.5123 mL 2.5615 mL 5.1231 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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

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

Mass
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Concentration
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Volume
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Molecular Weight *

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

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Volume (start)

V1

=
Concentration (final)

C2

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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: 2.08 mg/mL (5.33 mM); Suspended solution; Need ultrasonic

    This protocol yields a suspended solution of 2.08 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 (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 (5.33 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

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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.5615 mL 12.8077 mL 25.6154 mL 64.0385 mL
5 mM 0.5123 mL 2.5615 mL 5.1231 mL 12.8077 mL
10 mM 0.2562 mL 1.2808 mL 2.5615 mL 6.4039 mL
15 mM 0.1708 mL 0.8538 mL 1.7077 mL 4.2692 mL
20 mM 0.1281 mL 0.6404 mL 1.2808 mL 3.2019 mL
25 mM 0.1025 mL 0.5123 mL 1.0246 mL 2.5615 mL
30 mM 0.0854 mL 0.4269 mL 0.8538 mL 2.1346 mL
40 mM 0.0640 mL 0.3202 mL 0.6404 mL 1.6010 mL
50 mM 0.0512 mL 0.2562 mL 0.5123 mL 1.2808 mL
60 mM 0.0427 mL 0.2135 mL 0.4269 mL 1.0673 mL
80 mM 0.0320 mL 0.1601 mL 0.3202 mL 0.8005 mL
100 mM 0.0256 mL 0.1281 mL 0.2562 mL 0.6404 mL
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EG1 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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EG1
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