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Medchemexpress LLC N-(2-(4-(3,5-dioxo-1,2,4-triazolidin-4-yl)-2-methoxyphenoxy)ethyl)-4,7,10,13-tetraoxahexadec-15-ynami | 99.3% | 508.52 g/mol | C23H32N4O9 | 25 MG
SDP

Supplier:  Medchemexpress LLC HY13604625MG

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PTAD-PEG4-alkyne is a heterobifunctional linker containing a PTAD tyrosine-reactive moiety and a terminal alkyne separated by a four-unit PEG spacer. It is used for bioconjugation and antibody-drug conjugate synthesis to enable tyrosine-selective labeling and alkyne-based click chemistry.

  • Cleavable PEG4 spacer for improved solubility and flexibility.
  • Terminal alkyne for copper-catalyzed azide-alkyne cycloaddition.
  • PTAD moiety enables tyrosine-selective conjugation.
  • High purity (99.26%) suitable for research use.
  • Soluble in DMSO (125 mg/mL); powder stable at -20°C.

Catalog No. 50-002-04229


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