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Medchemexpress LLC 4,7,10,13-tetraoxa-16-azaheneicosanoic acid pentafluorophenyl ester | 1334172-58-5 | 96.2% | 657.65 g/mol | C27H36F5N3O8S | 10 MG
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Supplier:  Medchemexpress LLC HY13848810MG

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Biotin-PEG4-PFP ester is a cleavable four-unit polyethylene glycol (PEG) linker bearing a biotin tag and a pentafluorophenyl (PFP) activated ester. It is used to conjugate biotin to molecules or antibodies via PFP ester-mediated coupling.

  • Cleavable four-unit PEG spacer for improved solubility and linker flexibility.
  • Pentafluorophenyl (PFP) activated ester enables efficient coupling to amine-containing payloads.
  • Biotin tag allows affinity capture and detection.
  • High purity (96.18%) and characterized by molecular weight 657.65 g/mol.
  • Solid, white to off-white; recommended storage: powder at -20°C; in solvent, -80°C for long-term storage.
  • Available in small research pack sizes including 10 MG.

Catalog No. 50-002-03855


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