PEG4 (tetraethylene glycol) in Pegylation

Oligoethylene glycol linkers are widely used for bioconjugation. PEG4 (tetraethylene glycol) derivatives available from Lumiprobe are listed below.

Alkyne-PEG4-amine

A bifunctional linker molecule containing both terminal alkyne moiety for Click chemistry, and amine group. Contains a long hydrophilic PEG4 arm.
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Cat. # Quantity Price Lead time
2025-100mg 100 mg $95.00 in stock
2025-1g 1 g $390.00 in stock

Alkyne-PEG4-maleimide

Water soluble, heterobifunctional hydrophilic linker with a length of 14 Å, containing maleimide for thiol labeling, and alkyne for Click chemistry. An ideal reagent to attach an alkyne moiety to a protein.
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Cat. # Quantity Price Lead time
2002-100mg 100 mg $150.00 7 days
2002-1g 1 g $590.00 21 days

Azide-PEG4-Amine

PEG4 amine azide (CAS# 134179-38-7) is a bifunctional linker with amine and azide functional groups. It is based on a tetraethyleneglycol core. The length of the PEG4 linker is 1.4 nm.
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Cat. # Quantity Price Lead time
1868-1g 1 g $90.00 in stock
1868-5g 5 g $250.00 10 days
1868-25g 25 g $950.00 5 days

Azide-PEG4-Azide

PEG4 diazide (CAS# 101187-39-7) is a homobifunctional linker with two azide groups. It can be used for the synthesis of dimeric molecules with a hydrophilic core by Click chemistry.
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Cat. # Quantity Price Lead time
1865-1g 1 g $90.00 in stock
1865-5g 5 g $250.00 10 days
1865-25g 25 g $950.00 in stock

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