2. PROTAC
  3. PROTAC Linkers
  4. m-PEG8-CH2COOH

m-PEG8-CH2COOH is a PEG--based PROTAC linker can be used in the synthesis of PROTACs.

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

m-PEG8-CH2COOH Chemical Structure

m-PEG8-CH2COOH Chemical Structure

CAS No. : 102013-72-9

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100 mg USD 25 In-stock
250 mg USD 57 In-stock
1 g USD 103 Get quote
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Based on 1 publication(s) in Google Scholar

m-PEG8-CH2COOH Related Antibodies

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Description

m-PEG8-CH2COOH is a PEG--based PROTAC linker can be used in the synthesis of PROTACs.

IC50 & Target[1]

PEGs

 

In Vitro

PROTACs contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein. PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.

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

m-PEG8-CH2COOH Related Antibodies
Molecular Weight

442.50

Formula

C19H38O11
CAS No.
Appearance

Liquid (Density: 1.122 g/cm3)

Color

Light yellow to yellow

SMILES

COCCOCCOCCOCCOCCOCCOCCOCCOCC(O)=O
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Pure form -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 200 mg/mL (451.98 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 2.2599 mL 11.2994 mL 22.5989 mL
5 mM 0.4520 mL 2.2599 mL 4.5198 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: ≥ 5 mg/mL (11.30 mM); Clear solution

    This protocol yields a clear solution of ≥ 5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (50.0 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: ≥ 5 mg/mL (11.30 mM); Clear solution

    This protocol yields a clear solution of ≥ 5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (50.0 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 2.2599 mL 11.2994 mL 22.5989 mL 56.4972 mL
5 mM 0.4520 mL 2.2599 mL 4.5198 mL 11.2994 mL
10 mM 0.2260 mL 1.1299 mL 2.2599 mL 5.6497 mL
15 mM 0.1507 mL 0.7533 mL 1.5066 mL 3.7665 mL
20 mM 0.1130 mL 0.5650 mL 1.1299 mL 2.8249 mL
25 mM 0.0904 mL 0.4520 mL 0.9040 mL 2.2599 mL
30 mM 0.0753 mL 0.3766 mL 0.7533 mL 1.8832 mL
40 mM 0.0565 mL 0.2825 mL 0.5650 mL 1.4124 mL
50 mM 0.0452 mL 0.2260 mL 0.4520 mL 1.1299 mL
60 mM 0.0377 mL 0.1883 mL 0.3766 mL 0.9416 mL
80 mM 0.0282 mL 0.1412 mL 0.2825 mL 0.7062 mL
100 mM 0.0226 mL 0.1130 mL 0.2260 mL 0.5650 mL
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m-PEG8-CH2COOH 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:

m-PEG8-CH2COOH102013-72-9PROTAC LinkersInhibitorinhibitorinhibit

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