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Cy7 diacid is a CY7-derived dye. CY7 (Cyanine7) is an amine-reactive, near-infrared (NIR) fluorophore with excitation/emission wavelengths of 745/800 nm. It is suitable for in vivo imaging, flow cytometry, antibody labelling, nucleic acid detection, and other applications.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $298 | - | In Stock | |
| 5 mg | $610 | - | In Stock | |
| 10 mg | $868 | - | In Stock | |
| 25 mg | $1,290 | - | In Stock |
| Description | Cy7 diacid is a CY7-derived dye. CY7 (Cyanine7) is an amine-reactive, near-infrared (NIR) fluorophore with excitation/emission wavelengths of 745/800 nm. It is suitable for in vivo imaging, flow cytometry, antibody labelling, nucleic acid detection, and other applications. |
| In vitro | Cy7 diacid is a multifunctionalized near-infrared cyanine dye with a molecular framework based on the Cy7 dye, featuring an extended conjugated linkage of broussonetia papyrifera that generates strong and stable fluorescence emission in the near-infrared region (excitation wavelength 740-760 nm, emission wavelength 770-790 nm). It exhibits excellent tissue penetration and low background interference, making it suitable for deep-tissue bioimaging. Unlike conventional monofunctional dyes, Cy7 diacid incorporates two carboxyl groups (-COOH) in its molecular structure of broussonetia papyrifera, enabling it to serve as a "bifunctionalized" platform for simultaneous conjugation with multiple target molecules or establishing linkages with broussonetia papyrifera. |
| Molecular Weight | 689.72 |
| Formula | C39H49BrN2O4 |
| Cas No. | 1268616-88-1 |
| Smiles | [Br-].O=C(O)CCCCCN1C=2C=CC=CC2C(C1=CC=CC=CC=CC3=[N+](C=4C=CC=CC4C3(C)C)CCCCCC(=O)O)(C)C |
| Relative Density. | no data available |
| 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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