中文：二苯基环辛炔-五聚乙二醇-活性酯英文：DBCO-PEG5-NHS esterCAS：2144395-59-3产品参数1 Catalog #: Y-PE-2990 Name: DBCO-PEG5-NHS ester CAS: 2144395-59-3 Formula: C36H43N3O11 MW: 693.8 Purity: 95% Availability: In Stock Ships within: 24 hours Storage condition: -20℃ Shipping: Ambient temperatureDBCO-PEG5-NHS Ester is a DBCO-containing PEG linker containing NHS ester that can react specifically and efficiently with primary amines (e.g. the side chain of lysine residues or aminosilane-coated surfaces) at neutral or slightly basic condition to form a covalent bond. PEG5 spacer increases the water solubility of compounds in aqueous media. DBCO is commonly used for copper-free Click Chemistry reaction.