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Cyanine 3.5 (Cy3.5 NHS ester) chloride, a red fluorescent dye and reactive Cy3.5 fluorophore analog, is utilized for the labeling of amino groups in peptides, proteins, and oligonucleotides. It exhibits an excitation wavelength (λ ex) of 591 nm and an emission wavelength (λ em) of 604 nm. [1] [2]

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $220 | 7-10 days | 7-10 days | |
| 5 mg | $550 | 7-10 days | 7-10 days | |
| 10 mg | $823 | 7-10 days | 7-10 days | |
| 25 mg | $1,400 | 7-10 days | 7-10 days | |
| 50 mg | $2,100 | 7-10 days | 7-10 days |
| Description | Cyanine 3.5 (Cy3.5 NHS ester) chloride, a red fluorescent dye and reactive Cy3.5 fluorophore analog, is utilized for the labeling of amino groups in peptides, proteins, and oligonucleotides. It exhibits an excitation wavelength (λ ex) of 591 nm and an emission wavelength (λ em) of 604 nm. [1] [2] |
| Synonyms | Cy3.5 NHS ester chloride, Cy 3.5 chloride |
| Molecular Weight | 690.27 |
| Formula | C42H44ClN3O4 |
| Cas No. | 2231670-86-1 |
| Smiles | CC1(C)C2=C([N+](CCCCCC(ON3C(=O)CCC3=O)=O)=C1C=CC=C4C(C)(C)C5=C(N4C)C=CC=6C5=CC=CC6)C=CC=7C2=CC=CC7.[Cl-] |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
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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