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Sulfo-Cyanine7 (Sulfo-Cy7) is a near-infrared fluorescent dye with emission between 750-800 nm. It excels in in vivo imaging, penetrating deep into tissues with minimal background noise. Researchers use it to label antibodies, peptides, and proteins for targeted imaging. Its high quantum yield and photostability make it ideal for long-term studies.

sulfo-Cyanine7

Cat# Name Structure M.W. Purity Pricing
AP12793sulfo-Cyanine7 antibody labeling kit≥95% Pricing
AP12798Sulfo-Cyanine7 carboxylic acid746.97≥ (95%) Pricing
AP12794Sulfo-Cyanine7 alkyne785.05≥ (95%) Pricing
AP12795Sulfo-Cyanine7 amine807.08≥ (95%) Pricing
AP12796Sulfo-Cyanine7 azide829.08≥ (95%) Pricing
AP12801Sulfo-Cyanine7 NHS ester845.06≥ (95%) Pricing
AP12799Sulfo-Cyanine7 dicarboxylic acid847.09≥ (95%) Pricing
AP13396sulfo-Cyanine7 tyramide866.16≥95% Pricing
AP12800Sulfo-Cyanine7 maleimide870.11≥ (95%) Pricing
AP12802Sulfo-Cyanine7 tetrazine930.19≥ (95%) Pricing
AP14237diSulfo-Cy7-bis NHS ester1001.20≥95% Pricing
AP12797Sulfo-Cyanine7 bis-NHS ester1041.23≥ (95%) Pricing
AP13771sulfo-Cyanine7 DBCO1047.37≥95% Pricing

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    Sulfo-Cyanine7 Dye: Spectral Properties and Applications

    Sulfo-Cyanine7 (Sulfo-Cy7) is a near-infrared, water-soluble fluorescent dye widely used in biological and biomedical research. It features strong NIR fluorescence, high photostability, and excellent water solubility due to its sulfonate groups. These properties make Sulfo-Cy7 an ideal choice for deep tissue imaging, bioconjugation, and labeling biomolecules like proteins and nucleic acids in aqueous environments.

    Spectral Properties of Sulfo-Cyanine7 Dye:

    • Absorption Maximum: ~750 nm
    • Emission Maximum: ~773 nm
    • Stokes Shift: ~23 nm
    • High Quantum Yield: Provides bright and efficient NIR fluorescence.
    • Enhanced Solubility: Sulfonate groups increase performance in water-based assays.

    Applications of Sulfo-Cyanine7 Dye:

    • In Vivo Imaging: Ideal for deep tissue imaging with minimal background noise.
    • Fluorescence Microscopy: Enables high-resolution imaging of cells and tissues.
    • Flow Cytometry: Offers distinct signals for precise cell sorting and analysis.
    • Bioconjugation: Efficiently labels proteins, antibodies, and nucleic acids.
    • Molecular Probes: Used in bioanalytical assays to study molecular interactions.

    Sulfo-Cy7’s bright NIR fluorescence, excellent stability, and water solubility make it a valuable tool for advanced research applications in imaging, diagnostics, and biomolecule labeling.