sulfoCyanine 3 NHS Ester - (50-5913)
1-[6-(2,5-dioxopyrrolidin-1-yl)oxy-6-oxohexyl]-3,3-dimethyl-2-[5-(1,3,3-trimethyl-5-sulfonatoindol-1-ium-2-yl)prop-2-enylidene]indole-5-sulfonic
acid, potassium salt
Product Specifications
Description
Cyanine
3 is a popular indocyanine fluorophore that exhibits low, non-specific
binding and relatively pH-independent fluorescence. This NHS ester
version allows for post-deprotection labeling, and unlike the
phosphoramidite version, contains 2 sulfonate substitutions directly on
the indocyanine nuclei. The sulfonates make the Cyanine 3 less
susceptible to aggregation and do not significantly change the
fluorescent properties of the dye.
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