中文：丙炔-五聚乙二醇-琥珀酰亚胺酯英文：Propargyl-PEG4-NHS esterCAS：1428629-70-2产品参数1 Catalog #: Y-PE-2162 Name: Propargyl-PEG4-NHS ester CAS: 1428629-70-2 Formula: C16H23NO8 MW: 357.4 Purity: 95% Availability: In Stock Ships within: 24 hours Storage condition: -20℃ Shipping: Ambient temperaturePropargyl-PEG4-NHS ester is an amine reactive PEG linker with an alkyne group. Under the copper catalyzation, alkyne group can react with azide-bearing biomolecules to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media.