Cyanine3 amine

Cat. # Quantity Price Lead time
110C0 1 mg $110.00 in stock
210C0 5 mg $210.00 in stock
410C0 25 mg $410.00 in stock
510C0 50 mg $695.00 in stock
610C0 100 mg $1190.00 in stock

Cyanine3 amine is a functionalized cyanine dye containing a free amino group. Cyanine3 is an analog of Cy3®.

Amino group of this reagent can be conjugated with reactive groups such as NHS esters, carboxy groups (after carbodiimide activation), and epoxides.

The amino dye is supplied in salt form, and possesses some aqueous solubility.

Cyanine3 absorption and emission spectra

Cyanine3 absorption and emission spectra

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General properties

Appearance: red powder
Molecular weight: 627.73
CAS number: 2247688-56-6
Molecular formula: C36H52Cl2N4O
IUPAC name: 3H-​Indolium, 1-​[6-​[(6-​aminohexyl)​amino]​-​6-​oxohexyl]​-​2-​[3-​(1,​3-​dihydro-​1,​3,​3-​trimethyl-​2H-​indol-​2-​ylidene)​-​1-​propen-​1-​yl]​-​3,​3-​dimethyl-​, chloride, hydrochloride (1:1:1)
Solubility: moderate solubility in water, good in polar organic solvents (DMF, DMSO, alcohols)
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: 555
ε, L⋅mol−1⋅cm−1: 150000
Emission maximum, nm: 570
Fluorescence quantum yield: 0.31
CF260: 0.04
CF280: 0.09

Product citations

  1. van Herck, S.; Deswarte, K.; Nuhn, L.; Zhong, Z.; Portela Catani, J.P.; Li, Y.; Sanders, N.N.; Lienenklaus, S.; De Koker, S.; Lambrecht, B.N.; David, S.A.; De Geest, B.G. Lymph-Node-Targeted Immune Activation by Engineered Block Copolymer Amphiphiles-TLR7/8 Agonist Conjugates. Journal of the American Chemical Society, 2018, 140, 14300–14307. doi: 10.1021/jacs.8b08595
  2. Lufton, M.; Bustan, O.; Eylon, B.-h.; Shtifman-Segal, E.; Croitoru-Sadger, T.; Shagan, A.; Shabtay-Orbach, A.; Corem-Salkmon, E.; Berman, J.; Nyska, A.; Mizrahi, B. Living Bacteria in Thermoresponsive Gel for Treating Fungal Infections. Advanced Functional Materials, 2018, 28(40), 1801581. doi: 10.1002/adfm.201801581
  3. Huang, D.; Chen, Y.-S.; Green, C.R.; Rupenthal, I.D. Hyaluronic acid coated albumin nanoparticles for targeted peptide delivery in the treatment of retinal ischaemia. Biomaterials, 2018, 168, 10–23. doi: 10.1016/j.biomaterials.2018.03.034
  4. Murata, H.; Carmali, S.; Baker, S.L.; Matyjaszewski, K.; Russell, A.J. Solid-phase synthesis of protein-polymers on reversible immobilization supports. Nature Communications, 2018, 9, 845. doi: 10.1038/s41467-018-03153-8
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