Biotin-PEG2-Mal
Based on 2 publication(s) in Google Scholar
Biotin-PEG2-Mal is a PEG-based PROTAC linker can be used in the synthesis of PROTAC.
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- Reinheit: 99.64%
- CAS. Nr.: 305372-39-8
- Formel: C23H35N5O7S
- Molecular Weight:525.62
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Speicherung:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Biologische Aktivität
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Chemical Information
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Lösungsmittel & Löslichkeit
- Reinheit & Dokumentation
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Help & FAQs
Publications Citing Use of MedChemExpress (MCE) Biotin-PEG2-Mal
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Biologische Aktivität
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PEGs |
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.
Chemical Information
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CAS. Nr. 305372-39-8
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Appearance Solid
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Molecular Weight 525.62
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Formel C23H35N5O7S
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Color White to off-white
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SMILES
O=C(NCCOCCOCCNC(CCN1C(C=CC1=O)=O)=O)CCCC[C@@H]2SC[C@]([C@]2([H])N3)([H])NC3=O
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Versand
Room temperature in continental US; may vary elsewhere.
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Speicherung
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Publications (2)
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Journal Impact Factor
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Most Recent
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Nat Commun
2025 May 7;16(1):4259. PMID: 40335523 -
Drug Metab Dispos
Importance of extracellular disulfide bonds for the surface expression and function of human organic anion transporting polypeptide 1B1. [Abstract]2026 Jan 23;54(3):100242. PMID: 41689872
Lösungsmittel & Löslichkeit
DMSO : 100 mg/mL (190.25 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
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.
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.
Konzentration (Stammlösung) × Volumen (Stammlösung) = Konzentration (Ziellösung) × Volumen (Ziellösung)
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.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (4.76 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.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (4.76 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.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
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).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
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.
Reinheit & Dokumentation
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Data Sheet (244 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Handling Instructions (2659 KB)
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 | 1.9025 mL | 9.5126 mL | 19.0252 mL | 47.5629 mL |
| 5 mM | 0.3805 mL | 1.9025 mL | 3.8050 mL | 9.5126 mL | |
| 10 mM | 0.1903 mL | 0.9513 mL | 1.9025 mL | 4.7563 mL | |
| 15 mM | 0.1268 mL | 0.6342 mL | 1.2683 mL | 3.1709 mL | |
| 20 mM | 0.0951 mL | 0.4756 mL | 0.9513 mL | 2.3781 mL | |
| 25 mM | 0.0761 mL | 0.3805 mL | 0.7610 mL | 1.9025 mL | |
| 30 mM | 0.0634 mL | 0.3171 mL | 0.6342 mL | 1.5854 mL | |
| 40 mM | 0.0476 mL | 0.2378 mL | 0.4756 mL | 1.1891 mL | |
| 50 mM | 0.0381 mL | 0.1903 mL | 0.3805 mL | 0.9513 mL | |
| 60 mM | 0.0317 mL | 0.1585 mL | 0.3171 mL | 0.7927 mL | |
| 80 mM | 0.0238 mL | 0.1189 mL | 0.2378 mL | 0.5945 mL | |
| 100 mM | 0.0190 mL | 0.0951 mL | 0.1903 mL | 0.4756 mL |
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