Cyanine7.5 carboxylic acid

Cat. # Quantity Price Lead time
16090 1 mg $110.00 in stock
26090 5 mg $210.00 in stock
46090 25 mg $410.00 in stock
56090 50 mg $695.00 in stock
66090 100 mg $1190.00 in stock

Free unactivated Cyanine7.5 NIR dye carboxylic acid.

For coupling and labeling reactions also consider using pre-activated Cyanine7.5 NHS ester.

Cy7.5 absorbance and emission spectra

Cy7.5 absorbance and emission spectra

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Cyanine7.5 NHS ester

Amine reactive NHS ester of NIR fluorescent dye Cyanine7.5.
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Sulfo-Cyanine7 maleimide

Water soluble near infrared dye maleimide for the labeling of proteins and peptides.

General properties

Appearance: green powder
Molecular weight: 685.34
CAS number: 1686147-68-1, 1803099-44-6 [Cl-]
Molecular formula: C45H49ClN2O2
Solubility: soluble in organic solvents (DMSO, DMF, dichloromethane), low solubility in water
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: 788
ε, L⋅mol−1⋅cm−1: 223000
Emission maximum, nm: 808

Product citations

  1. Howard, G.P.; Verma, G.; Ke, X.; Thayer, W.M.; Hamerly, T.; Baxter, V.K.; Lee, J.E.; Dinglasan, R.R.; Mao, H.-Q. Critical size limit of biodegradable nanoparticles for enhanced lymph node trafficking and paracortex penetration. Nano Research, 2019, 12(4), 837–844. doi: 10.1007/s12274-019-2301-3
  2. Luthman, A.S. Wide-Field fHSI with a Linescan SRDA. In: Spectrally Resolved Detector Arrays for Multiplexed Biomedical Fluorescence Imaging (Springer Thesis), 2018, 51–85. doi: 10.1007/978-3-319-98255-7_3
  3. Nunes, R.; Araújo, F.; Tavares, J.; Sarmento, B.; das Neves, J. Surface modification with polyethylene glycol enhances colorectal distribution and retention of nanoparticles. European Journal of Pharmaceutics and Biopharmaceutics, 2018, 130, 200–206. doi: 10.1016/j.ejpb.2018.06.029
  4. Roberts, S.; Andreou, C.; Choi, C.; Donabedian, P.; Jayaraman, M.; Pratt, E.C.; Tang, J.; Pérez-Medina, C.; de la Cruz, M.J.; Mulder, W.J.M.; Grimm, J.; Kircher, M.; Reiner, T. Sonophore-enhanced nanoemulsions for optoacoustic imaging of cancer. Chemical Science, 2018, 9(25), 5646–5657. doi: 10.1039/C8SC01706A
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