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Submit ReviewCyanine 5, SE
Description: Red fluorescent dye for the labeling of amines; supplied as NHS ester
Alternative Names: Cy5 NHS Ester
Chemical Name: 2-[5-[1-[6-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1,3-pentadien-1-yl]-1-ethyl-3,3-dimethyl-5-sulfo-3H-indolium, inner salt
Purity: ≥95% (HPLC)
Biological Activity
Red fluorescent dye for the labeling of amines. Excitation maximum ~649 nm; emission maximum ~666 nm.
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Technical Data
| M. Wt | 753.88 |
| Formula | C37H43N3O10S2 |
| Storage | Store at -20°C |
| Purity | ≥95% (HPLC) |
| CAS Number | 146368-14-1 |
| PubChem ID | 118705155 |
| InChI Key | WXWLHDCCGVWTDZ-UHFFFAOYSA-N |
| Smiles | CC1(C)C2=C(C=CC(S(=O)(O)=O)=C2)N(CCCCCC(ON3C(CCC3=O)=O)=O)/C1=C/C=C/C=C/C4=[N+](CC)C5=C(C=C(S(=O)([O-])=O)C=C5)C4(C)C |
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Solubility Data
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| DMSO | 75.39 | 100 | |
| DMF | 75.39 | 100 |
Preparing Stock Solutions
The following data is based on the product molecular weight 753.88. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 1 mM | 1.33 mL | 6.63 mL | 13.26 mL |
| 5 mM | 0.27 mL | 1.33 mL | 2.65 mL |
| 10 mM | 0.13 mL | 0.66 mL | 1.33 mL |
| 50 mM | 0.03 mL | 0.13 mL | 0.27 mL |
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References
References are publications that support the biological activity of the product.
Shin et al (2014) Live-cell imaging of Pol II promoter activity to monitor gene expression with RNA IMAGEtag reporters. Nucleic Acids Res. 42 e90 PMID: 24753407
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Keywords: Cyanine 5, SE, Cyanine 5, SE supplier, Cyanine, 5SE, red, fluorescent, dyes, amines, labeling, Cy5, NHS, Ester, Dyes, 5436, Tocris Bioscience
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