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Medchemexpress LLC 3-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]propanoic acid | 663921-15-1 | MFCD21607085 | 99.9% | 265.30 g/mol | C11H23NO6 | 1 G
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Supplier:  Medchemexpress LLC HYW0217871G

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NH2-PEG4-CH2CH2COOH is an amine-terminated, four-unit polyethylene glycol (PEG) linker with a terminal propanoic acid. It is intended for use in bioconjugation workflows such as antibody-drug conjugate (ADC) and PROTAC linker synthesis and is supplied as an off-white to light yellow solid with high reported purity.

  • cleavable four-unit peg linker suitable for ADC and PROTAC synthesis.
  • amine-terminated functionality for facile conjugation to drugs or linkers.
  • high purity (≈99.9%) for research applications.
  • molecular weight around 265.30 g/mol and formula C11H23NO6.
  • available in small research pack sizes (e.g., 100 mg-10 g).
  • store sealed, away from moisture and light; for solutions store at -80°C (long term) or -20°C (short term).

Catalog No. 50-002-02923


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