sulfo-Cyanine5 DBCO

Cat. # Quantity Price Lead time
133F0 1 mg $110.00 in stock
233F0 5 mg $290.00 in stock
433F0 25 mg $690.00 in stock
533F0 50 mg $1270.00 in stock
633F0 100 mg $1990.00 in stock

Copper free Click chemistry reaction between strained cycloalkynes (cyclooctynes), and azides, is a very fast and robust reaction. It can be used for a fast labeling with fluorescent dyes. This reagent is a derivative of water soluble sulfo-Cyanine5 dye which emits in red channel. It is useful for the labeling of biomolecules in aqueous media.

Absorption and emission spectra of sulfo-Cyanine5

Absorption and emission spectra of sulfo-Cyanine5

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Sulfo-Cyanine3 alkyne

A water soluble dye alkyne for copper-catalyzed Click Chemistry. The fluorophore Sulfo-Cyanine3 is a bright and photostable dye for the Cy3® channel.

General properties

Appearance: dark colored solid
Molecular weight: 981.27
Molecular formula: C53H57N4KO8S2
Solubility: good in water, DMF, DMSO
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 646
ε, L⋅mol−1⋅cm−1: 271000
Emission maximum, nm: 662
Fluorescence quantum yield: 0.28
CF260: 0.04
CF280: 0.04

Product citations

  1. Lim, S.; Kim, W.; Song, S.; Shim, M.K.; Yoon, H.Y.; Kim, B.-S.; Kwon, I.C.; Kim, K. Intracellular Uptake Mechanism of Bioorthogonally Conjugated Nanoparticles on Metabolically Engineered Mesenchymal Stem Cells. Bioconjugate Chemistry, 2021, 32(1), 199–214. doi: 10.1021/acs.bioconjchem.0c00640
  2. Desai, B.J.; Gonzalez, R.L. Multiplexed genomic encoding of non-canonical amino acids for labeling large complexes. Nature Chemical Biology, 2020, 16, 1129–1135. doi: 10.1038/s41589-020-0599-5
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