Sulfo-Cyanine5 alkyne

Cat. # Quantity Price Lead time
A33B0 1 mg $110.00 in stock
B33B0 5 mg $290.00 in stock
C33B0 10 mg $470.00 in stock
D33B0 25 mg $690.00 in stock
E33B0 50 mg $1270.00 in stock
F33B0 100 mg $1990.00 in stock

Water soluble reagent with alkyne group for Click Chemistry. Sulfo-Cyanine5 is a sulfonated dye, which possesses high hydrophilicity and aqueous solubility, exceptionally high extinction coefficient, good quantum yield, and compatibility with many instruments.

This reagent is recommended for the conjugation with proteins, nanoparticles, and other applications where hydrophilicity is important.

Sulfo-Cyanine5 absorbance and emission spectra

Sulfo-Cyanine5 absorbance and emission spectra

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General properties

Appearance: dark blue solid
Molecular weight: 717.94
CAS number: 1617572-09-4 (inner salt); 1617497-19-4 (sodium salt)
Molecular formula: C35H40N3KO7S2
Solubility: very high 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.
MSDS: Download
Product specifications

Spectral properties

Excitation 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. Zhou, L.; Wu, Y.; Luo, Y.; Li, H.; Meng, X.; Liu, Cl; Xiang, J.; Zhang, P.; Gong, P.; Cai, L. Mitochondria-localized Self-reporting Small Molecule Decorated Theranostic Agents for Cancer-organelle Transporting and Imaging. ACS Applied Bio Materials, 2019, 2(11), 5164–5173. doi: 10.1021/acsabm.9b00811
  2. Gao, F.; Hunter, A.; Qu, S.; Hoffman, J.R.; Gao, P.; Phillip, W.A. Interfacial Junctions Control Electrolyte Transport Through Charge-Patterned Membranes. ACS Nano, 2019, 13(7), 7655–7664. doi: 10.1021/acsnano.9b00780
  3. Rojas-Sánchez, L.; Sokolova, V.; Riebe, S.; Voskuhl, J.; Epple, M. Covalent Surface Functionalization of Calcium Phosphate Nanoparticles with Fluorescent Dyes by Copper-Catalysed and by Strain-Promoted Azide-Alkyne Click Chemistry. ChemNanoMat, 2019, 5(4), 436–446. doi: 10.1002/cnma.201800509
  4. Braselmann, E.; Wierzba, A.J.; Polaski, J.T.; Chromiński, M.; Holmes, Z.E.; Hung, S.-T.; Batan, D.; Wheeler, J.R.; Parker, R.; Jimenez, R.; Gryko, D.; Batey, R.T.; Palmer, A.E. A multicolor riboswitch-based platform for imaging of RNA in live mammalian cells. Nature Chemical Biology, 2018, 14(10), 964–971. doi: 10.1038/s41589-018-0103-7
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