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
JKP11004 HO-PEG12-OH  
JKA12001 HO-PEG4-Propionic acid  
41749 O-Methyl-heptaethylene glycol ≥95% (oligomer purity) C15H32O8
16603 O-Methyl-undecaethylene glycol ≥95% (oligomer purity) C23H48O12
JKP12003 mPEG12-OH  
JKA13002 mPEG12-Propionic acid  
JKP12001 mPEG6-OH  
JKP12004 mPEG7-OH  
15879 Octaethylene glycol ≥95% (oligomer purity) C16H34O9
JKA12021 Propionic acid-PEG4-Propionic acid  
771562 Tetraethylene glycol dimethacrylate contains ≤1500 ppm MEHQ as inhibitor, 95% C16H26O7