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Medchemexpress LLC Azido-PEG9-acid | 1670249-37-2 | MFCD13184977 | 97.7% | 511.56 | C21H41N3O11 | 500 MG
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Supplier:  Medchemexpress LLC HY130475500MG

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Azido-PEG9-acid is a non-cleavable 9-unit polyethylene glycol (PEG) linker bearing an azide and a terminal carboxylic acid, used for conjugation in antibody-drug conjugate (ADC) and PROTAC synthesis. The azide enables click chemistry (CuAAC and SPAAC), while the carboxylic acid allows amide coupling to amines.

  • Non-cleavable 9-unit polyethylene glycol linker.
  • Contains an azide group for copper-catalyzed and strain-promoted click chemistry.
  • Terminal carboxylic acid suitable for amide coupling reactions.
  • Molecular weight about 511.56.
  • Purity approximately 97.7% (per manufacturer datasheet).
  • Available in 100 MG, 250 MG, 500 MG, 1 G, and 5 G pack sizes.
  • Appearance: colorless to light yellow liquid.
  • Storage: store pure material at -20°C for long-term stability.

Catalog No. 50-002-03914


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