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  4. mPEG-Mal (MW 3400)

mPEG-Mal (MW 3400)  (Synonyms: mPEG-Maleimide (MW 3400))

Cat. No.: HY-W020780C
Data Sheet Handling Instructions Technical Support

Solubility

In Vivo Dissolution Calculator

mPEG-Mal (MW 3400) is a PEG derivative used for thiol pegylation of protein molecules. Its maleimide group (-Mal) degrades in aqueous media and finds application in drug delivery studies.

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

mPEG-Mal (MW 3400) Chemical Structure

mPEG-Mal (MW 3400) Chemical Structure

CAS No. : 724722-89-8

Size Price Stock Quantity
10 mg USD 53 In-stock
25 mg USD 110 In-stock
50 mg USD 189 In-stock
100 mg USD 273 In-stock
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Based on 1 publication(s) in Google Scholar

Other Forms of mPEG-Mal (MW 3400):

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Description

mPEG-Mal (MW 3400) is a PEG derivative used for thiol pegylation of protein molecules. Its maleimide group (-Mal) degrades in aqueous media and finds application in drug delivery studies.

Molecular Weight

3400(Average)

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

COCCOCCNC(CCN1C(C=CC1=O)=O)=O.[n]
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

  • 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; 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; 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, PEG300/PEG400, Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Purity & Documentation
References
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mPEG-Mal (MW 3400) Related Classifications

Keywords:

mPEG-Mal (MW 3400)724722-89-8mPEG-Maleimide (MW 3400)Biochemical Assay ReagentsInhibitorinhibitorinhibit

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