Cy3-DBCO,DBCO-Cy3,Cyanine3-Dibenzocycolctyne,1782950-79-1 Product Name: DBCO-Cy3  Alternative name: ADIBO-Cy3 Chemical Structure: Chemical Composition:C50H54N4O11S3  Spectral Properties: Abs/Em = 553/563 nm  Molecular Weight: 983.18  Appearance: Red solid Storage: Upon receipt store at -20°C. Product shipped at ambient temperature DBCO‐Cy3 is an azide‐reactive fluorescent dye that is well suited for detection and labeling of chemically, enzymatically, or metabolically azide‐modified biopolymers or peptides. The DBCO group reacts with an azide to produce a stable triazole (Figure 1), which is also referred to as the Cu(I)‐free or strain‐promoted click reaction.