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Sulfo-Cyanine3 carboxylic acid
| Catalog Number | F03-0003 |
| Category | sulfo-Cyanine3 |
| Molecular Formula | C30H35N2KO8S2 |
| Molecular Weight | 654.84 |
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Product Introduction
Sulfo-Cyanine3 carboxylic acid is a water-soluble fluorescent dye that belongs to the cyanine class, characterized by its polymethine chain and sulfonic acid groups, which enhance its aqueous solubility and bioconjugation potential. This dye exhibits strong absorption and emission in the visible spectrum, making it suitable for applications in fluorescence microscopy and flow cytometry. Its carboxylic acid functionality allows for easy conjugation to amines on biomolecules, enabling its use in protein and peptide labeling for various bioimaging and analytical assays.
Chemical Information
Product Specification
Computed Properties
Chemical Information
| Related CAS | 1941997-61-0 (sodium salt) 1121756-11-3 (inner salt) |
| Purity | NMR 1H, HPLC-MS (95%) |
| IUPAC Name | potassium;1-(5-carboxypentyl)-3,3-dimethyl-2-[3-(1,3,3-trimethyl-5-sulfonatoindol-1-ium-2-yl)prop-2-enylidene]indole-5-sulfonate |
| SMILES | CC1(C2=C(C=CC(=C2)S(=O)(=O)[O-])[N+](=C1C=CC=C3C(C4=C(N3CCCCCC(=O)O)C=CC(=C4)S(=O)(=O)[O-])(C)C)C)C.[K+] |
| InChI | InChI=1S/C30H36N2O8S2.K/c1-29(2)22-18-20(41(35,36)37)13-15-24(22)31(5)26(29)10-9-11-27-30(3,4)23-19-21(42(38,39)40)14-16-25(23)32(27)17-8-6-7-12-28(33)34;/h9-11,13-16,18-19H,6-8,12,17H2,1-5H3,(H2-,33,34,35,36,37,38,39,40);/q;+1/p-1 |
| InChIKey | XSSPIINVLTVORR-UHFFFAOYSA-M |
| Solubility | Well soluble in water, DMF, DMSO (0.55 M = 360 g/L). Practically insoluble in non-polar organic solvents. |
| Appearance | dark red crystals |
Product Specification
| ε, L⋅mol-1⋅cm-1 | 162000 |
| Fluorescence Quantum Yield | 0.1 |
| Excitation | 548 |
| Emission | 563 |
| Storage | 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate. |
Computed Properties
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 9 |
| Exact Mass | 654.14718991 g/mol |
| Monoisotopic Mass | 654.14718991 g/mol |
| Topological Polar Surface Area | 175Ų |
| Heavy Atom Count | 43 |
| Formal Charge | 0 |
| Complexity | 1350 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 2 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
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