Cyanine7.5 tetrazine

Cat. # Quantity Price Lead time
160E0 1 mg $125 in stock
260E0 5 mg $325 in stock
460E0 25 mg $510 in stock
560E0 50 mg $895 in stock
660E0 100 mg $1490 in stock
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Cyanine7.5 is a NIR fluorescent fluorophore suitable for in vivo infrared imaging. The absorption and emission spectra of Cyanine7.5 are similar to the corresponding spectra of ICG (indocyanine green), but this dye has a significantly higher fluorescence quantum yield. This derivative is tetrazine for TCO ligation and Diels-Alder reaction.

Absorption and emission spectra of Cyanine7.5

Absorption and emission spectra of Cyanine7.5

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Cyanine7 tetrazine

Near infrared Cyanine7 dye derivative containing tetrazine group for TCO ligation.

sulfo-Cyanine7.5 NHS ester

A water-soluble near-infrared emitting dye for in vivo imaging applications. sulfo-Cyanine7.5 is an analog of indocyanine green (ICG) possessing higher emission quantum yield and a linker arm.

sulfo-Cyanine7 carboxylic acid

sulfo-Cyanine7 carboxylic acid is a non-reactive fluorescent dye that can be used as a NIR (near-infrared) marker.

General properties

Appearance: dark colored solid
Mass spec M+ increment: 802.5
Molecular weight: 919.9
Molecular formula: C55H58N7BF4O
Solubility: good in DMF, DMSO, dichloromethane
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/absorption maximum, nm: 788
ε, L⋅mol−1⋅cm−1: 223000
Emission maximum, nm: 808
Fluorescence quantum yield: 0.10
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