Sulfo-Cyanine3 alkyne

Cat. # Quantity Price Lead time
A13B0 1 mg $110.00 in stock
B13B0 5 mg $290.00 in stock
C13B0 10 mg $470.00 in stock
D13B0 25 mg $690.00 in stock
E13B0 50 mg $1270.00 in stock
F13B0 100 mg $1990.00 in stock

A water soluble alkyne dye for copper catalyzed Click Chemistry, an analog of Cy3® alkyne.

Sulfo-Cyanine3 is a fluorophore which is compatible with a wide range of fluorescent scanners, imagers, microscopes, and other instrumentation. It is a bright and photostable dye, which is also easily detected in gels by naked eye in low amounts (<1 nmol).

Absorbance and emission spectra of Sulfo-Cyanine3 dye

Absorbance and emission spectra of Sulfo-Cyanine3 dye

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Sulfo-Cyanine7.5 alkyne

Sulfo-Cyanine7.5 is a near infrared fluorophore similar to indocyanine green (ICG), but possessing higher fluorescence quantum yield. The dye is very hydrophilic and water soluble. The reagent is very useful for the labeling of biomolecules for in vivo imaging. This is an alkyne for copper catalyzed Click chemistry.

General properties

Appearance: dark red powder
Mass spec M+ increment: 653.2
Molecular weight: 691.90
Molecular formula: C33H38KN3O7S2
Solubility: good solubility in water, DMSO, DMF
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: 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.
MSDS: Download
Product specifications

Spectral properties

Excitation maximum, nm: 548
ε, L⋅mol−1⋅cm−1: 162000
Emission maximum, nm: 563
Fluorescence quantum yield: 0.1
CF260: 0.03
CF280: 0.06

Product citations

  1. Tobola, F.; Sylvander, E.; Gafko, C.; Wiltschi, B. `Clickable lectins': bioorthogonal reactive handles facilitate the directed conjugation of lectins in a modular fashion. Interface Focus, 2019, 9(2), 20180072. doi: 10.1098/rsfs.2018.0072
  2. Rambarran, T.; Gonzaga, F.; Fatona, A.; Coulson, M.; Saem, S.; Moran-Mirabal, J.; Brook, M.A. Bonding and in-channel microfluidic functionalization using the huisgen cyclization. ournal of Polymer Science Part A: Polymer Chemistry, 2018, 56(6), 589–597. doi: 10.1002/pola.28930
  3. Konishcheva, E.V.; Zhumaev, U.E.; Meier, W.P. PEO-b-PCL-b-PMOXA Triblock Copolymers: From Synthesis to Microscale Polymersomes with Asymmetric Membrane. Macromolecules, 2017, 50(4), 1512–1520. doi: 10.1021/acs.macromol.6b02743
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