2. Antibody-drug Conjugate/ADC Related PROTAC
  3. ADC Linker PROTAC Linkers
  4. Azido-PEG9-amine

Azido-PEG9-amine is a non-cleavable 9 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs). Azido-PEG9-amine is also a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. Azido-PEG9-amine is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

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Azido-PEG9-amine Chemical Structure

Azido-PEG9-amine Chemical Structure

CAS No. : 1207714-69-9

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Based on 1 publication(s) in Google Scholar

Azido-PEG9-amine Related Antibodies

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  • Biological Activity

  • Purity & Documentation

  • References

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Description

Azido-PEG9-amine is a non-cleavable 9 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs). Azido-PEG9-amine is also a PEG-based PROTAC linker that can be used in the synthesis of PROTACs[1]. Azido-PEG9-amine is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

IC50 & Target[1]

Non-cleavable Linker

 

PEGs

 

In Vitro

ADCs are comprised of an antibody to which is attached an ADC cytotoxin through an ADC linker.
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.

Azido-PEG9-amine Related Antibodies
Molecular Weight

482.57

Formula

C20H42N4O9
CAS No.
Appearance

Liquid

Color

Colorless to light yellow

SMILES

NCCOCCOCCOCCOCCOCCOCCOCCOCCOCCN=[N+]=[N-]
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 (414.45 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H2O : ≥ 100 mg/mL (207.22 mM)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.0722 mL 10.3612 mL 20.7224 mL
5 mM 0.4144 mL 2.0722 mL 4.1445 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.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

  • Molarity Calculator

  • Dilution Calculator

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

Mass
=
Concentration
×
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

×
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 (10.36 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 (10.36 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.
Calculation results:
Working solution concentration: mg/mL
This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
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).
Purity & Documentation

Purity: 98.52%

COA (238 KB) HNMR (116 KB) RP-HPLC (178 KB) MS (72 KB)

Handling Instructions (2659 KB)
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
H2O / DMSO 1 mM 2.0722 mL 10.3612 mL 20.7224 mL 51.8060 mL
5 mM 0.4144 mL 2.0722 mL 4.1445 mL 10.3612 mL
10 mM 0.2072 mL 1.0361 mL 2.0722 mL 5.1806 mL
15 mM 0.1381 mL 0.6907 mL 1.3815 mL 3.4537 mL
20 mM 0.1036 mL 0.5181 mL 1.0361 mL 2.5903 mL
25 mM 0.0829 mL 0.4144 mL 0.8289 mL 2.0722 mL
30 mM 0.0691 mL 0.3454 mL 0.6907 mL 1.7269 mL
40 mM 0.0518 mL 0.2590 mL 0.5181 mL 1.2951 mL
50 mM 0.0414 mL 0.2072 mL 0.4144 mL 1.0361 mL
60 mM 0.0345 mL 0.1727 mL 0.3454 mL 0.8634 mL
80 mM 0.0259 mL 0.1295 mL 0.2590 mL 0.6476 mL
100 mM 0.0207 mL 0.1036 mL 0.2072 mL 0.5181 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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Azido-PEG9-amine 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:

Azido-PEG9-amine1207714-69-9ADC LinkerPROTAC LinkersAntibody-drug conjugates linkerInhibitorinhibitorinhibit

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