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Medchemexpress LLC m-PEG6-NHS ester | 1449390-12-8 | ≥97.0% | 421.44 g·mol⁻¹ | C18H31NO10 | 50 MG
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Supplier:  Medchemexpress LLC HY13306650MG

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m-PEG6-NHS ester is a non-cleavable 6-unit polyethylene glycol (PEG) linker terminating in an activated N-hydroxysuccinimide (NHS) ester; it is used for amide coupling to amines in the synthesis of antibody-drug conjugates and PROTACs.

  • Purity: ≥97.0%.
  • Molecular weight: 421.44 g·mol⁻¹.
  • Chemical formula: C18H31NO10.
  • CAS number: 1449390-12-8.
  • Form: liquid, colorless to light yellow; density ~1.21 g/cm³.
  • Storage: pure form -20 °C (3 years) or 4 °C (2 years); in solvent -80 °C (6 months) or -20 °C (1 month).
  • Applications: non-cleavable PEG6 linker for ADC synthesis; PEG/alkyl/ether-based PROTAC linker.
  • Packaging: commonly available in 100 MG, 250 MG, 1 G, and 5 G; larger quantities available by quote; a 50 MG pack is indicated in supplier data but on the manufacturer page.

Catalog No. 50-002-03672


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