2. PROTAC
  3. PROTAC Linkers
  4. Bis-NH2-PEG2

Bis-NH2-PEG2  (Synonyms: PROTAC Linker 19)

Cat. No.: HY-128833 Purity: 99.49%
SDS COA Handling Instructions

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Bis-NH2-PEG2 (PROTAC Linker 19) is a PEG-based PROTAC linker can be used in the synthesis of PROTACs.

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

Bis-NH2-PEG2 Chemical Structure

Bis-NH2-PEG2 Chemical Structure

CAS No. : 929-59-9

Size Price Stock Quantity
250 mg USD 25 In-stock
500 mg USD 35 In-stock
1 g USD 42 In-stock
5 g USD 65 In-stock
10 g USD 78 In-stock
25 g USD 110 In-stock
50 g USD 132 In-stock
100 g USD 160 In-stock
500 g USD 225 In-stock
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This product is a controlled substance and not for sale in your territory.

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Based on 1 publication(s) in Google Scholar

Bis-NH2-PEG2 Related Antibodies

Top Publications Citing Use of Products

View All PROTAC Linkers Isoform Specific Products:

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PEG Linkers Alkyl-Chain Linkers Alkyl/ether Linkers

  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

Bis-NH2-PEG2 (PROTAC Linker 19) is a PEG-based PROTAC linker can be used in the synthesis of PROTACs[1].

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[1].

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

Bis-NH2-PEG2 Related Antibodies
Molecular Weight

148.20

Formula

C6H16N2O2
CAS No.
Appearance

Liquid (Density: 1.015 g/cm3)

Color

Colorless to light yellow

SMILES

NCCOCCOCCN
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 : 250 mg/mL (1686.91 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 6.7476 mL 33.7382 mL 67.4764 mL
5 mM 1.3495 mL 6.7476 mL 13.4953 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 (protect from light). 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: ≥ 2.08 mg/mL (14.04 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    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% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.08 mg/mL (14.04 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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).

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

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

Purity: 99.49%

SDS (779 KB)

COA (240 KB) HNMR (128 KB) GC (248 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 (protect from light). 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 6.7476 mL 33.7382 mL 67.4764 mL 168.6910 mL
5 mM 1.3495 mL 6.7476 mL 13.4953 mL 33.7382 mL
10 mM 0.6748 mL 3.3738 mL 6.7476 mL 16.8691 mL
15 mM 0.4498 mL 2.2492 mL 4.4984 mL 11.2461 mL
20 mM 0.3374 mL 1.6869 mL 3.3738 mL 8.4345 mL
25 mM 0.2699 mL 1.3495 mL 2.6991 mL 6.7476 mL
30 mM 0.2249 mL 1.1246 mL 2.2492 mL 5.6230 mL
40 mM 0.1687 mL 0.8435 mL 1.6869 mL 4.2173 mL
50 mM 0.1350 mL 0.6748 mL 1.3495 mL 3.3738 mL
60 mM 0.1125 mL 0.5623 mL 1.1246 mL 2.8115 mL
80 mM 0.0843 mL 0.4217 mL 0.8435 mL 2.1086 mL
100 mM 0.0675 mL 0.3374 mL 0.6748 mL 1.6869 mL
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Bis-NH2-PEG2 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:

Bis-NH2-PEG2929-59-9PROTAC Linker 19PROTAC Linker19PROTAC Linker-19PROTAC LinkersInhibitorinhibitorinhibit

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