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Medchemexpress LLC m-PEG4-Tos 100mg | 62921-76-0 | 100 MG
Supplier: Medchemexpress LLC HY114661100MG
m-PEG4-Tos is a tosylated polyethylene glycol (PEG4) reagent used as a PEG-based PROTAC linker and synthetic building block. It serves as a reactive tosylate for installing a PEG spacer in bifunctional degraders and related small-molecule conjugates. Supplied as a colorless to light yellow liquid at high purity, it is intended for research use and requires cold storage for long-term stability.
- Tosylated PEG4 spacer for efficient nucleophilic substitution.
- High purity (≥98.0% by NMR) suitable for synthesis.
- Colorless to light yellow liquid, simplifies handling and dispensing.
- Available in small synthetic quantities (e.g., 100 MG) for discovery work.
- Recommended cold storage to preserve stability in pure form or in solution.
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