High Oligomer Purity PEG

The high purity poly(ethylene glycol) (PEG) products are useful for biological or analytical experiments where precise characterization of derivatization and functionality is required. Sigma-Aldrich offers several highly pure PEG derivatives with a variety of functional groups including amines (and protected amines), azides and more.

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76318 O-(2-Aminoethyl)-O′-(2-azidoethyl)heptaethylene glycol ≥90% (oligomer purity) C18H38N4O8
    • 77787 O-(2-Aminoethyl)-O′-(2-azidoethyl)nonaethylene glycol ≥90% (oligomer purity) C22H46N4O10
    • 76172 O-(2-Aminoethyl)-O′-(2-azidoethyl)pentaethylene glycol ≥90% (oligomer purity) C14H30N4O6
    • 77090 O-(2-Aminoethyl)-O′-[2-(Boc-amino)ethyl]decaethylene glycol ≥90% (oligomer purity) C29H60N2O13
    • 70023 O-(2-Aminoethyl)-O′-[2-(Boc-amino)ethyl]hexaethylene glycol ≥90% (oligomer purity) C21H44N2O9
    • 79141 O-(2-Aminoethyl)-O′-[2-(Boc-amino)ethyl]octaethylene glycol ≥90% (oligomer purity) C25H52N2O11
    • 71613 O-(2-Azidoethyl)-O-[2-(diglycolyl-amino)ethyl]heptaethylene glycol ≥90% (oligomer purity) C22H42N4O12
    • 17758 11-Azido-3,6,9-trioxaundecan-1-amine technical, ≥90% (GC) C8H18N4O3
    • 06703 O,O′-Bis(2-aminoethyl)octadecaethylene glycol ≥95% (oligomer purity) C40H84N2O19
    • 94704 O,O′-Bis(2-carboxyethyl)dodecaethylene glycol ≥95% (oligomer purity) C30H58O17
    • 79898 O-[2-(Boc-amino)-ethyl]-O′-[2-(diglycolyl-amino)ethyl]decaethylene glycol ≥90% (oligomer purity) C33H64N2O17
    • 70001 O-[2-(Boc-amino)-ethyl]-O′-[2-(diglycolyl-amino)ethyl]hexaethylene glycol ≥90% (oligomer purity) C25H48N2O13
    • 08453 O-(2-tert-Butyloxycarbonylethyl)dodecaethylene glycol ≥95% (oligomer purity) C31H62O15
    • 05094 Dodecaethylene glycol ≥95% (oligomer purity) C24H50O13
    • 41749 O-Methyl-heptaethylene glycol ≥95% (oligomer purity) C15H32O8
    • 16603 O-Methyl-undecaethylene glycol ≥95% (oligomer purity) C23H48O12
    • 15879 Octaethylene glycol ≥95% (oligomer purity) C16H34O9