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Sulfo-Cy7 Alkyne is a near-infrared fluorescent dye containing an alkyne functional group, which enables highly selective conjugation to azide-modified biomolecules via copper-catalyzed azide–alkyne cycloaddition (CuAAC). As a sulfonated Cy7 derivative, it emits in the near-infrared window, reducing autofluorescence from biological samples and improving tissue imaging performance. Sulfo-Cy7 alkyne is commonly used for bioorthogonal labeling and in vivo imaging probe construction, with application conditions optimized according to the experimental system.

| Description | Sulfo-Cy7 Alkyne is a near-infrared fluorescent dye containing an alkyne functional group, which enables highly selective conjugation to azide-modified biomolecules via copper-catalyzed azide–alkyne cycloaddition (CuAAC). As a sulfonated Cy7 derivative, it emits in the near-infrared window, reducing autofluorescence from biological samples and improving tissue imaging performance. Sulfo-Cy7 alkyne is commonly used for bioorthogonal labeling and in vivo imaging probe construction, with application conditions optimized according to the experimental system. |
| Synonyms | Sulfo-Cy7-YNE |
| Storage | Keep away from direct sunlight | Store at -20°C | Shipping with blue ice/Shipping at ambient temperature. |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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