2. JAK/STAT Signaling Protein Tyrosine Kinase/RTK Metabolic Enzyme/Protease
  3. EGFR E1/E2/E3 Enzyme
  4. NSC689857

NSC689857 is a potent EGFR and SCFSKP2 inhibitor with an IC50 value of 36 μM for Skp2-Cks1. NSC689857 can inhibit p27 ubiquitylation (IC50=30 μM). NSC689857 has varied activity across cancer types, with more activity against leukemia cell lines than others.

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NSC689857 Chemical Structure

NSC689857 Chemical Structure

CAS No. : 241127-79-7

Size Price Stock Quantity
Free Sample (0.1 - 0.5 mg)   Apply Now  
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 242 In-stock
Solution
10 mM * 1 mL in DMSO USD 242 In-stock
Solid
5 mg USD 220 In-stock
10 mg USD 350 In-stock
25 mg USD 700 In-stock
50 mg USD 1120 In-stock
100 mg USD 1790 In-stock
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500 mg   Get quote  

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Customer Review

Based on 1 publication(s) in Google Scholar

NSC689857 Related Antibodies

Top Publications Citing Use of Products

1 Publications Citing Use of MCE NSC689857

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EGFR/ErbB1/HER1 ErbB2/HER2 ErbB3/HER3 ErbB4/HER4

  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

NSC689857 is a potent EGFR and SCFSKP2 inhibitor with an IC50 value of 36 μM for Skp2-Cks1. NSC689857 can inhibit p27 ubiquitylation (IC50=30 μM). NSC689857 has varied activity across cancer types, with more activity against leukemia cell lines than others[1][2].

IC50 & Target

IC50: 36 μM (Skp2-Cks1), 30 μM (p27 ubiquitylation)[1]
Molecular Weight

407.50

Formula

C25H29NO4
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C(C1=CC=C(C=C1)NCC2=CC(O)=CC=C2O)OCC34CC5CC(CC(C4)C5)C3
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 : 100 mg/mL (245.40 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 2.4540 mL 12.2699 mL 24.5399 mL
5 mM 0.4908 mL 2.4540 mL 4.9080 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
=
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 (6.13 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    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% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL (6.13 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
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 2.4540 mL 12.2699 mL 24.5399 mL 61.3497 mL
5 mM 0.4908 mL 2.4540 mL 4.9080 mL 12.2699 mL
10 mM 0.2454 mL 1.2270 mL 2.4540 mL 6.1350 mL
15 mM 0.1636 mL 0.8180 mL 1.6360 mL 4.0900 mL
20 mM 0.1227 mL 0.6135 mL 1.2270 mL 3.0675 mL
25 mM 0.0982 mL 0.4908 mL 0.9816 mL 2.4540 mL
30 mM 0.0818 mL 0.4090 mL 0.8180 mL 2.0450 mL
40 mM 0.0613 mL 0.3067 mL 0.6135 mL 1.5337 mL
50 mM 0.0491 mL 0.2454 mL 0.4908 mL 1.2270 mL
60 mM 0.0409 mL 0.2045 mL 0.4090 mL 1.0225 mL
80 mM 0.0307 mL 0.1534 mL 0.3067 mL 0.7669 mL
100 mM 0.0245 mL 0.1227 mL 0.2454 mL 0.6135 mL
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NSC689857 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.

Keywords:

NSC689857241127-79-7NSC 689857NSC-689857EGFRE1/E2/E3 EnzymeEpidermal growth factor receptorErbB-1HER1E1 activating enzymeE2 conjugating enzymeE3 ligating enzymeUbiquitin activating enzymeUbiquitin conjugating enzymeUbiquitin ligaseanticancerSkp2-Cks1p27 ubiquitylationleukemiaInhibitorinhibitorinhibit

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