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Cyanine5.5 alkyne chloride is a far-infrared fluorescent dye containing an alkynyl (-C≡C-) functional group. It is suitable for covalent binding with azide (-N₃) modified biomolecules via click chemistry. Its chlorinated form may be used for labeling applications in specific chemical environments and is widely used in the fields of bioimaging and fluorescence detection.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $85 | 7-10 days | 7-10 days | |
| 5 mg | $208 | 7-10 days | 7-10 days | |
| 25 mg | $623 | 7-10 days | 7-10 days |
| Description | Cyanine5.5 alkyne chloride is a far-infrared fluorescent dye containing an alkynyl (-C≡C-) functional group. It is suitable for covalent binding with azide (-N₃) modified biomolecules via click chemistry. Its chlorinated form may be used for labeling applications in specific chemical environments and is widely used in the fields of bioimaging and fluorescence detection. |
| Molecular Weight | 656.3 |
| Formula | C43H46ClN3O |
| Cas No. | 1628790-37-3 |
| Smiles | [Cl-].O=C(NCC#C)CCCCC[N+]=1C=2C=CC=3C=CC=CC3C2C(C1C=CC=CC=C4N(C=5C=CC=6C=CC=CC6C5C4(C)C)C)(C)C |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | 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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