Cy3 NHS ester(Et)
Catalog No.
A8765
Cy3 NHS ester (non-sulfonated, Et derivative, sodium salt), labels primary amines.
Featured Products
Cy3 NHS ester(Et) is a small molecule commonly employed in biomedical research as a reactive fluorescent reagent. Through its N-hydroxysuccinimide (NHS) ester functionality, it readily forms stable covalent linkages with primary amine groups present on proteins, peptides, and other biomolecules. Due to its fluorescent character, Cy3 NHS ester(Et) is extensively utilized for labeling biological targets, enabling visualization and tracking in fluorescence microscopy and imaging analyses. This property facilitates investigations into molecular localization, trafficking processes, and pathology-associated pathways in various experimental models.
| Physical Appearance | A solid |
| Storage | Store at -20°C |
| M.Wt | 749.83 |
| Formula | C35H40N3NaO10S2 |
| Synonyms | Sulfo-Cyanine 3 NHS ester(Et), Sodium Salt; Sulfo-Cy3 NHS ester(Et), Sodium Salt |
| Solubility | ≥146.4 mg/mL in DMSO; ≥125.2 mg/mL in EtOH; ≥132.8 mg/mL in H2O |
| Chemical Name | sodium 1-(6-((2,5-dioxopyrrolidin-1-yl)oxy)-6-oxohexyl)-2-((1E,3E)-3-(1-ethyl-3,3-dimethyl-5-sulfonatoindolin-2-ylidene)prop-1-en-1-yl)-3,3-dimethyl-3H-indol-1-ium-5-sulfonate |
| Canonical SMILES | CC(C1=CC(S(=O)([O-])=[O-])=CC=C1N/2CC)(C)C2=C/C=C/C3=[N+](CCCCCC(ON4C(CCC4=O)=O)=O)C(C=CC(S(=O)([O-])=[O-])=C5)=C5C3(C)C.[Na+] |
| Shipping Condition | Small Molecules with Blue Ice, Modified Nucleotides with Dry Ice. |
| General tips | We do not recommend long-term storage for the solution, please use it up soon. |
| Excitation max (nm) | 548 | Emission max (nm) | 563 |
| Extinction Coefficient (M-1cm-1) | 150000 | Quantum Yield | 0.1 |
| CF260 | 0.03 | CF280 | 0.06 |
| Filter Set | Cy3/TRITC | Laser | 532 nm |
Quality Control & MSDS
- View current batch:
Chemical structure
Related Products
