TfR-T12
Based on 1 Customer Validation
TfR-T12 is a BBB-penetrated transferrin receptor (TfR) binding peptide, displaying a binding affinity in the nM range.
For research use only. We do not sell to patients.
- Purity: 99.72%
- CAS No.: 344618-30-0
- Formula: C71H99N19O15S
- Molecular Weight:1490.73
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Storage:
Sealed storage, away from moisture.
Powder -80°C, 2 years , -20°C, 1 year* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
Biological Activity
TfR-T12 binds to the TfR and is subsequently internalized into TfR-expressing cells[1].
TfR-T12 is a synthetic peptide obtained by phage display, and is able to bind a different site on TfRs compared with transferrin. TfR-T12 can be chemically conjugated with a pegylated lipid derivative, 3-(N-succinimidyloxyglutaryl)aminopropyl- polyethyleneglycol(2000)- carbamyl distearoyl phosphatidylethanolamine (NHS-PEG2000-DSPE), and used as a functional material to construct the multifunctional lipid vesicles[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 344618-30-0
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Appearance Solid
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Molecular Weight 1490.73
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Formula C71H99N19O15S
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Color White to off-white
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Sequence
Thr-His-Arg-Pro-Pro-Met-Trp-Ser-Pro-Val-Trp-Pro
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Sequence Shortening
THRPPMWSPVWP
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Sealed storage, away from moisture
Powder -80°C 2 years -20°C 1 year * In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Solvent & Solubility
H2O : 100 mg/mL (67.08 mM; Need ultrasonic)
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 (sealed storage, away from moisture). 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.
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 (sealed storage, away from moisture). 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.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Purity & Documentation
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Data Sheet (279 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
[1]. Carmen Wängler, et al. In Vitro and Initial in Vivo Evaluation of (68)Ga-labeled Transferrin Receptor (TfR) Binding Peptides as Potential Carriers for Enhanced Drug Transport Into TfR Expressing Cells. Mol Imaging Biol. 2011 Apr;13(2):332-41. [Content Brief]
[2]. Li-Min Mu, et al. Lipid Vesicles Containing Transferrin Receptor Binding Peptide TfR-T 12 and Octa-Arginine Conjugate stearyl-R 8 Efficiently Treat Brain Glioma Along With Glioma Stem Cells. Sci Rep. 2017 Jun 14;7(1):3487. [Content Brief]
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 (sealed storage, away from moisture). 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 | 1 mM | 0.6708 mL | 3.3541 mL | 6.7081 mL | 16.7703 mL |
| 5 mM | 0.1342 mL | 0.6708 mL | 1.3416 mL | 3.3541 mL | |
| 10 mM | 0.0671 mL | 0.3354 mL | 0.6708 mL | 1.6770 mL | |
| 15 mM | 0.0447 mL | 0.2236 mL | 0.4472 mL | 1.1180 mL | |
| 20 mM | 0.0335 mL | 0.1677 mL | 0.3354 mL | 0.8385 mL | |
| 25 mM | 0.0268 mL | 0.1342 mL | 0.2683 mL | 0.6708 mL | |
| 30 mM | 0.0224 mL | 0.1118 mL | 0.2236 mL | 0.5590 mL | |
| 40 mM | 0.0168 mL | 0.0839 mL | 0.1677 mL | 0.4193 mL | |
| 50 mM | 0.0134 mL | 0.0671 mL | 0.1342 mL | 0.3354 mL | |
| 60 mM | 0.0112 mL | 0.0559 mL | 0.1118 mL | 0.2795 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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