sulfo-Cyanine3.5 amine

Cat. # Quantity Price Lead time
123C0 1 mg $125 in stock
223C0 5 mg $260 in stock
423C0 25 mg $510 in stock
523C0 50 mg $895 in stock
623C0 100 mg $1490 in stock
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sulfo-Cyanine3.5 is a cyanine fluorophore with fluorescence in the red-orange spectrum range. Its absorption and emission spectra are between those of Cyanine3 and Cyanine5. As well as other cyanines, sulfo-Cyanine3.5 has an outstanding extinction coefficient. The dye possesses four sulfonate groups, rendering it highly hydrophilic and water soluble.

This product is an amine-containing fluorescent dye. The amine group is separated from the fluorophore by a relatively long linker that facilitates conjugation. The aliphatic primary amine group can be coupled with various electrophiles (activated esters, epoxides, etc.) and used in enzymatic transamination labeling.

Absorption and emission spectra of sulfo-Cyanine3.5

Absorption and emission spectra of sulfo-Cyanine3.5

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Cyanine3 amine

Cyanine3 is an fluorophore with free amino group (amino-dye). It can be conjugated with NHS esters, carboxy groups (after activation), and epoxides.

Cyanine5 NHS ester

Amine-reactive Cyanine5 activated ester for the labeling of proteins, peptides, and other molecules.

sulfo-Cyanine5.5 NHS ester

Water soluble, sulfonated, far-red sulfo-Cyanine5.5 dye in the form of NHS ester.

General properties

Appearance: dark purple solid
Molecular weight: 1051.38
Molecular formula: C44H52K2N4O13S4
Solubility: good in water, DMSO, DMF
Quality control: NMR 1H and HPLC-MS (95+%)
Storage conditions: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. Avoid prolonged exposure to light.
MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 576
ε, L⋅mol−1⋅cm−1: 139000
Emission maximum, nm: 603
Fluorescence quantum yield: 0.11
CF260: 0.16
CF280: 0.17
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