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N-(Azido-PEG3)-N-Biotin-PEG4-methyl ester is a polyethylene glycol (PEG) derivative utilized as a PROTAC linker for synthesizing Proteolysis Targeting Chimeras (PROTACs)[1].

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 2 mg | $42 | 5 days | |
| 5 mg | $66 | 5 days |
| Description | N-(Azido-PEG3)-N-Biotin-PEG4-methyl ester is a polyethylene glycol (PEG) derivative utilized as a PROTAC linker for synthesizing Proteolysis Targeting Chimeras (PROTACs)[1]. |
| In vitro | PROTACs consist of two distinct ligands linked together: one targets an E3 ubiquitin ligase, and the other binds to the target protein. They leverage the intracellular ubiquitin-proteasome system to selectively degrade target proteins [1]. |
| Molecular Weight | 706.85 |
| Formula | C30H54N6O11S |
| Cas No. | 2100306-76-9 |
| Relative Density. | no data available |
| 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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