• CAS No.：
  77544-60-6
• Synonyms：
  Tetraethyleneglycol monotosylate;2-[2-[2-(2-Hydroxyethoxy)ethoxy]ethoxy]ethyl tosylate;Tetraethylene glycol p-toluenesulfonate
• Purity：
  ≥95%
• Molecular formula：
  C₁₅H₂₄O₇S
• Molecular weight：
  348.412
• Uses：
  Applicated in medical research, drug-release, nanotechnology and new materials research, cell culture. In the study of ligand, polypeptide synthesis support, a graft polymer compounds, new materials, and polyethylene glycol-modified functional coatings and other aspects of the active compound.

OH-PEG4-Tos(Tetraethylene glycol monotosylate) is a cleavable acylhydrazone-based ADC linker for the synthesis of antibody drug conjugates (ADCs).It acts as a PROTAC linker that can be used for the synthesis of PROTAC.

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