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Medchemexpress LLC Heneicosaoxa PEG diacid bis(2,5-dioxo-1-pyrrolidinyl) ester | 2221948-98-5 | MFCD21363289 | 98.0% | 1237.34 g/mol | C54H96N2O29 | 100 MG
SDP

Supplier:  Medchemexpress LLC HY130827100MG

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Bis-PEG21-NHS ester is a bifunctional polyethylene glycol (PEG)-based N-hydroxysuccinimide (NHS) ester linker used for amine conjugation in the synthesis of PROTACs and antibody-drug conjugates. It provides hydrophilicity and spacing between conjugated moieties.

  • Bifunctional NHS ester for amine conjugation.
  • PEG21 spacer provides hydrophilicity and flexibility.
  • Suitable for PROTAC and ADC linker assembly.
  • High purity: 98.0%.
  • Molecular weight ~1237.34 g/mol.
  • Solid powder; store powder at -20°C; in solvent store at -80°C (6 months) or -20°C (1 month).
  • Available in lab-scale quantities such as 100 MG.

Catalog No. 50-002-03249


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