Cyanine5.5 maleimide

Cat. # Quantity Price Lead time
17080 1 mg $110.00 in stock
27080 5 mg $210.00 in stock
47080 25 mg $410.00 in stock
57080 50 mg $695.00 in stock
67080 100 mg $1190.00 in stock

Cyanine5.5 maleimide is a thiol reactive dye which is capable of selective labeling of sulfhydryl groups in proteins, an analog of Cy5.5® maleimide.

Near infrared emission of Cyanine5.5 makes this dye suitable for bioimaging applications.

Cyanine5.5 can replace Cy5.5®, Alexa Fluor 680, and DyLight 680.

Cy5.5 absorbance and emission spectra

Cy5.5 absorbance and emission spectra

Customers also purchased with this product

Ascorbic acid

Ascorbic acid for the reduction of Cu(II)-TBTA complex.

BDP 630/650 X NHS ester

BDP 630/650 is a borondipyrromethene fluorophore tuned to Cyanine5 excitation and emission channels. The dye is bright and highly photostable. It is useful for fluorescence polarization assays This is an amine-reactive NHS ester derivative.

THPTA ligand

THPTA is a water soluble ligand for Cu(I) catalyzed Click chemistry. The ligand stabilizes copper in its Cu(I) oxidation state. Due to high aqueous solubility, reactions with this ligand do not require an organic co-solvent.

General properties

Appearance: dark blue powder
Molecular weight: 741.36
CAS number: 1594414-90-0, 1854918-28-7 (without anion), 1593644-50-8 (chloride)
Molecular formula: C46H49ClN4O3
IUPAC name: 1H-​Benz[e]​indolium, 2-​[5-​[3-​[6-​[[2-​(2,​5-​dihydro-​2,​5-​dioxo-​1H-​pyrrol-​1-​yl)​ethyl]​amino]​-​6-​oxohexyl]​-​1,​3-​dihydro-​1,​1-​dimethyl-​2H-​benz[e]​indol-​2-​ylidene]​-​1,​3-​pentadien-​1-​yl]​-​1,​1,​3-​trimethyl-
Solubility: soluble in organic solvents (DMSO, DMF, dichloromethane), practically insoluble in water (< 1 uM, < 1 mg/L)
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: 684
ε, L⋅mol−1⋅cm−1: 198000
Emission maximum, nm: 710
Fluorescence quantum yield: 0.2
CF260: 0.07
CF280: 0.03

Product citations

  1. Galstyan, A.; Chiechi, A.; Korman, A.J.; Sun, T.; Isreal, L.L.; Braubach, O.; Patil, R.; Shatalova, E.; Ljubimov, V.A.; Markman, J.; Grodzinski, Z.; Black, K.L.; Penichet, M.L.; Holler, E.; Ljubimov, A.V.; Ding, H.; Ljubimova, J.Y. Nano immunoconjugates crossing blood-brain barrier activate local brain tumor immune system for glioma treatment. bioRxiv, preprint. doi: 10.1101/466508
  2. Gardinier, T.C.; Turker, M.Z.; Hinckley, J.A.; Katt, W.P.; DomNwachukwu, N.; Woodruff, F.; Hersh, J.; Wang, J.; Cerione, R.A.; Wiesner, U.B. Controlling Surface Chemical Heterogeneities of Ultrasmall Fluorescent Core–Shell Silica Nanoparticles as Revealed by High-Performance Liquid Chromatography. The Journal of Physical Chemistry C, 2019, 123(37), 23246–23254. doi: 10.1021/acs.jpcc.9b06905
  3. Chen, C.; Corry, B.; Huang, L.; Hildebrandt, N. FRET-modulated multi-hybrid nanoparticles for brightness-equalized single-wavelength barcoding. Journal of the American Chemical Society, 2019, 141(28), 11123–11141. doi: 10.1021/jacs.9b03383
  4. Guo, S.; Xiao, X.; Wang, X.; Luo, Q.; Zhu, H.; Zhang, H.; Li, H.; Gong, Q.; Luo, K. Reductive microenvironment responsive gadolinium-based polymers as potential safe MRI contrast agents. Biomaterials Science, 2019, 7(5), 1919–1932. doi: 10.1039/c8bm01103f
Show more (14)
Your item has been added. View your cart or proceed to checkout
The count of items is incorrect.