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Medchemexpress LLC Bis-PEG21-NHS ester | 2221948-98-5 | 98.0% | 1237.34 | C54H96N2O29 | 10 MG
SDP

Supplier:  Medchemexpress LLC HY13082710MG

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Bis-PEG21-NHS ester is a bifunctional polyethylene glycol (PEG) linker bearing two N-hydroxysuccinimide (NHS) ester reactive groups separated by a PEG21 spacer. It is supplied as a high-purity reagent for bioconjugation, PROTAC synthesis, and antibody-drug conjugate construction.

  • Two NHS ester reactive groups for amine coupling.
  • PEG21 spacer provides hydrophilicity and flexibility.
  • High purity suitable for conjugation chemistry applications.
  • Intended for PROTAC and ADC linker development and general PEGylation chemistry.
  • Available in small-scale quantities for research use.

Catalog No. 50-002-02182


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