Cyanine7.5 carboxylic acid

Cat. # Quantity Price Lead time
16090 1 mg $125 in stock
26090 5 mg $260 in stock
46090 25 mg $510 in stock
56090 50 mg $895 in stock
66090 100 mg $1490 in stock
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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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Reactive near infrared (NIR) dye for click chemistry containing a terminal alkyne group.
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Cyanine7.5 NHS ester

Amine reactive NHS ester of NIR fluorescent dye Cyanine7.5 .
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General properties

Appearance: green powder
Molecular weight: 685.34
CAS number: 1803099-44-6
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/absorption maximum, nm: 788
ε, L⋅mol−1⋅cm−1: 223000
Emission maximum, nm: 808
Fluorescence quantum yield: 0.10

Product citations

  1. Xu, S.; Zhang, P.; Heing-Becker, I.; Zhang, J.; Tang, P.; Bej, R.; Bhatia, S.; Zhong, Y.; Haag, R. Dual Tumor- and Subcellular-Targeted Photodynamic Therapy Using Glucose-Functionalized MoS2 Nanoflakes for Multidrug-Resistant Tumor Ablation. Biomaterials, 2022, 290, 121844. doi: 10.1016/j.biomaterials.2022.121844
  2. Almeida, A.; Castro, F.; Resende, C.; Lúcio, M.; Schwartz, S.; Sarmento, B. Oral Delivery of Camptothecin-Loaded Multifunctional Chitosan-Based Micelles Is Effective in Reduce Colorectal Cancer. Journal of Controlled Release, 2022, 349, 731–743. doi: 10.1016/j.jconrel.2022.07.029
  3. Nie, T.; He, Z.; Zhu, J.; Chen, K.; Howard, G.P.; Pacheco-Torres, J.; Minn, I.; Zhao, P.; Bhujwalla, Z.M.; Mao, H.-Q.; Liu, L.; Chen, Y. Non-invasive delivery of levodopa-loaded nanoparticles to the brain via lymphatic vasculature to enhance treatment of Parkinson's disease. Nano Research, 2021, 14(8), 2749–2761. doi: 10.1007/s12274-020-3280-0
  4. Amar-Lewis, E.; Buaron, N.; Chintakunta, R.; Benafsha, C.; Goldbart, R.; Traitel, T.; Prasad, M.; Elkabets, M.; Kost, J. Quaternized Starch-Based Composite Nanoparticles for siRNA Delivery to Tumors. ACS Applied Nano Materials, 2021, 4(2), 2218–2229. doi: 10.1021/acsanm.1c00032
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