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Biotin-PEG4-amide-Alkyne is a polyethylene glycol (PEG)-based linker primarily used for synthesizing PROTACs[1].

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 2 mg | $77 | 5 days | |
| 5 mg | $125 | 5 days |
| Description | Biotin-PEG4-amide-Alkyne is a polyethylene glycol (PEG)-based linker primarily used for synthesizing PROTACs[1]. |
| In vitro | PROTACs consist of two ligands linked together; one binds to an E3 ubiquitin ligase and the other to the target protein. They exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins[1]. |
| Molecular Weight | 528.66 |
| Formula | C24H40N4O7S |
| Cas No. | 1006592-45-5 |
| Relative Density. | 1.174 g/cm3 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |

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