Sulfo-Cyanine5 carboxylic acid

Cat. # Quantity Price Lead time
13390 1 mg $110.00 in stock
23390 5 mg $290.00 in stock
43390 25 mg $690.00 in stock
53390 50 mg $1270.00 in stock
63390 100 mg $1990.00 in stock

Non-activated sulfo-Cyanine5 carboxylic acid, water soluble dye. This dye is highly hydrophilic and water-soluble. Non-sulfonated analog is available.

The fluorophore is an equivalent of Cy5® carboxylic acid.

For labeling applications consider using pre-activated sulfo-Cy5 NHS ester

Sulfo-Cyanine5 absorbance and emission spectra

Sulfo-Cyanine5 absorbance and emission spectra

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Cyanine7.5 carboxylic acid

Cyanine7.5 - unactivated NIR cyanine dye carboxylic acid.
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Sulfo-Cyanine7.5 NHS ester

A water soluble near infrared emitting dye for in vivo imaging applications. Sulfo-Cyanine7.5 is an analog of indocyanine green (ICG) possessing higher emission quantum yield, and containing a linker arm.

General properties

Appearance: dark blue powder
Molecular weight: 680,87
CAS number: 1144107-82-3 (potassium salt), 1121756-16-8 (inner salt), 2098639-31-5 (sodium salt)
Molecular formula: C32H37N2KO8S2
Solubility: Well soluble in water, DMF, DMSO (0.35 M = 240 g/L). Practically insoluble in non-polar organic solvents.
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, in press. doi: 10.1021/acsabm.9b00811
  2. Zhu, X.; Nguyen, B.; You, J.B.; Karakolis, E.; Sinton, D.; Rochman, C. Identification of Microfibers in the Environment Using Multiple Lines of Evidence. Environmental Science and Technology, 2019, 53(20), 11877–11887. doi: 10.1021/acs.est.9b05262
  3. Ranjit, S.; Malacrida, L.; Gratton, E. Differences between FLIM phasor analyses for data collected with the Becker and Hickl SPC830 card and with the FLIMbox card. Microscopy Research and Technique, 2018, 81(9), 980–989. doi: 10.1002/jemt.23061
  4. Razgoniaeva, N.; Rogers, S.; Moroz, P.; Cassidy, J.; Zamkov, M. Improving the spectral resolution in fluorescence microscopy through shaped-excitation imaging. Methods and Applications in Fluorescence, 2018, 6(4), 045006. doi: 10.1088/2050-6120/aad81c
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