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Medchemexpress LLC Propargyl-PEG4-NHS ester | 1428629-70-2 | 97.0% | 357.36 | C16H23NO8 | 1 G
Supplier: Medchemexpress LLC HY1265161G
Propargyl-PEG4-NHS ester is an NHS-activated 4-unit polyethylene glycol (PEG) linker bearing a terminal propargyl (alkyne) group used for bioconjugation and click chemistry. It reacts with amine-containing molecules via the NHS ester and enables copper-catalyzed azide-alkyne cycloaddition (CuAAC) for linker installation in antibody-drug conjugates and other bioconjugation workflows. Supplied as a viscous liquid for research use.
- 4-unit PEG linker with terminal alkyne functional group.
- NHS ester provides amine-reactive conjugation chemistry.
- Compatible with copper-catalyzed azide-alkyne cycloaddition (click chemistry).
- High purity (97.0%) suitable for research applications.
- Soluble in DMSO (≈200 mg/mL) and common co-solvent mixtures for in vivo dosing.
- Available in multiple pack sizes, including 1 g.
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