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Cy7 Azide (CCT-1052)

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Description

The Cy7 azide can be reacted with terminal alkynes via a copper-catalyzed click reaction (CuAAC). It also reacts with strained cyclooctyne via a copper-free “click chemistry” reaction to form a stable triazole and does not require Cu-catalyst or elevated temperatures.

Cy7 Azide is a bright and photostable near-IR probe that is spectrally similar to Alexa Fluor® 750, DyLight® 750, and IRDye® 750 dye. The fluorescence of Cy7 Azide is pH insensitive from pH 4 to pH 10 and produces minimal autofluorescence of biological specimens in this region of the spectrum. Fluorescence of this long-wavelength Cyanine dye is not visible to the human eye but is readily detected by most imaging systems.

Specifications

Unit Size1 mg, 5 mg, 25 mg, 100 mg
Abs/Em Maxima753/775 nm
Extinction Coefficient
255,000
Spectrally Similar DyesAlexa Fluor® 750, RDye® 750, CF® 750 Dye, DyLight® 750
Molecular weight1083.32
CASN/A
SolubilityWater, DMSO, DMF
Purity>95% (HPLC)
AppearanceDark green solid
Storage Conditions-20°C. Desiccate
Shipping ConditionsAmbient temperature

Abs/Em Spectra

Cy Cy

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