中文：二苯基环辛炔-四聚乙二醇-生物素英文：DBCO-PEG4-biotinCAS：1255942-07-4产品参数1 Catalog #: Y-PE-2143 Name: DBCO-PEG4-biotin CAS: 1255942-07-4 Formula: C39H51N5O8S MW: 749.9 Purity: 95% Availability: In Stock Ships within: 24 hours Storage condition: -20℃ Shipping: Ambient temperatureDBCO-PEG4-biotin is a click chemistry biotinylation that can enable copper-free click chemistry with azide molecules to form a stable triazole linkage. PEG4 spacer increases aqueou solubility of the molecules conjugated to the biotin compound.