sulfo-Cyanine5 bis-NHS ester

Cat. # Quantity Price Lead time
133D0 1 mg $125 in stock
233D0 5 mg $325 in stock
433D0 25 mg $850 in stock
533D0 50 mg $1490 in stock
633D0 100 mg $1990 in stock
Found better price? Let us know and we will propose the way forward!

sulfo-Cyanine5 bis-NHS ester is a water soluble bifunctional dye possessing two NHS ester functions. It is an analog of Cy5® bis-NHS ester.

The dye is useful for the cross-conjugation of amines, and for other advanced labeling applications.

Absorption and emission spectra of sulfo-Cyanine5

Absorption and emission spectra of sulfo-Cyanine5

Customers also purchased with this product

Cyanine7 DBCO

NIR fluorescent dye functionalized with cyclooctyne moiety for copper free click chemistry conjugation with azides.
Add this product to your cart and
get free express delivery

1-Ethynyl pyrene

Pyrene is a polyaromatic hydrocarbon containing four fused rings. This reagent contains a terminal alkyne group for click chemistry and other reactions, such as Sonogashira coupling.

sulfo-Cyanine5.5 carboxylic acid

Water-soluble far-red fluorescent dye sulfo-Cyanine5.5 in the form of free non-activated carboxylic acid. The dye is useful for calibration and as a non-reactive control.

General properties

Appearance: dark blue powder
Molecular weight: 975.14
Molecular formula: C45H51KN4O14S2
Solubility: good in DMF, DMSO, water
Quality control: NMR 1H, HPLC-MS (895%)
Storage conditions: Storage: 12 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/absorption 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. Michalski, J.; Kalwarczyk, T.; Kwapiszewska, K.; Enderlein, J.; Poniewierski, A.; Karpińska, A.; Kucharska, K.; Hołyst, R. Rotational and translational diffusion of biomolecules in complex liquids and HeLa cells. Soft Matter, 2024, 20, 5810-5821. doi: 10.1039/d4sm00422a
  2. Pettersson, J.R.; Lanni, F.; Rule, G.S. Dual lifetimes for complexes between Glutathione-S-transferase (hGSTA1-1) and product-like ligands detected by single-molecule fluorescence imaging. Biochemistry, 2017, 56(31), 4073–4083. doi: 10.1021/acs.biochem.7b00030
Your item has been added. View your cart or proceed to checkout
The count of items is incorrect.