N-PEG3-N'-(azide-PEG3)-Cy5

• CAT Number: I015672
• CAS Number: 2226235-96-5
• Molecular Formula: C₃₉H₅₄ClN₅O₆
• Molecular Weight: 724.33
• Purity: ≥95%
• Target: PROTAC Linkers
• IUPAC Name: 2-[2-[2-[2-[(1E,3E,5E)-5-[1-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethyl]-3,3-dimethylindol-2-ylidene]penta-1,3-dienyl]-3,3-dimethylindol-1-ium-1-yl]ethoxy]ethoxy]ethanol;chloride
• InChI: InChI=1S/C39H54N5O6.ClH/c1-38(2)32-12-8-10-14-34(32)43(19-23-47-27-29-49-25-21-45)36(38)16-6-5-7-17-37-39(3,4)33-13-9-11-15-35(33)44(37)20-24-48-28-31-50-30-26-46-22-18-41-42-40;/h5-17,45H,18-31H2,1-4H3;1H/q+1;/p-1
• InChIKey: XDWWTFOMGZZKBB-UHFFFAOYSA-M
• SMILES: CC1(C2=CC=CC=C2[N+](=C1/C=C/C=C/C=C/3\C(C4=CC=CC=C4N3CCOCCOCCOCCN=[N+]=[N-])(C)C)CCOCCOCCO)C.[Cl-]

N-PEG3-N’-(azide-PEG3)-Cy5(CAT: I015672) is a bifunctional fluorescent probe designed for advanced bioconjugation and imaging applications. It features a cyanine dye (Cy5) for near-infrared fluorescence, a polyethylene glycol (PEG3) spacer for enhanced solubility and reduced nonspecific binding, and an azide functional group for bioorthogonal click chemistry. This compound is widely utilized in molecular biology, cell imaging, and protein labeling studies, enabling precise tracking of biomolecules in complex biological systems. The PEG3 linker provides flexibility and stability, making it ideal for developing targeted fluorescent probes and conducting advanced studies in bioimaging, drug delivery, and diagnostics.