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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Cyanine3 amine

Cyanine3 is an fluorophore with free amino group (amino-dye). It can be conjugated with NHS esters, carboxy groups (after activation), and epoxides.

Sulfo-Cyanine3 maleimide

Water soluble thiol-reactive derivative of Sulfo-Cyanine3, a Cy3&reg; analog.

General properties

Appearance: dark red powder
Mass spec M+ increment: 653.2
Molecular weight: 691.90
CAS number: 2055138-87-7 (inner salt); 2055138-88-8 (sodium salt)
Molecular formula: C33H38KN3O7S2
Solubility: soluble in water (0.57 M = 40 g/L), 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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