2183440-61-9

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2183440-61-9 Structure

Chemical Properties	Back Directory
[solubility ] moderate solubility in water, good in polar organic solvents (DMF, DMSO, alcohols)
[Appearance] green powder

Hazard Information	Back Directory
[Description] Hydrazide derivative of Cyanine7, a NIR fluorescent dye, an analog of Cy7?._x000D_ _x000D_ This variety of heptamethine fluorophore contains a six-membered ring rigidizing the polymethine chain which allows to increase quantum yield by 20% compared to parent structure._x000D_ _x000D_ Hydrazide reacts quickly and smoothly with aldehydes and ketones yielding stable hydrazone products. This reaction is also good for the labeling of glycoproteins after periodate oxidation.
[Abs/Em Maxima] 750/773 nm
[Fluoresene quantum yield] 0.3
[Extinction Coefficient] 199000
[CF260] 0.022
[CF280] 0.029

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