Sulfo-Cy7.5 NHS ester is water soluble cyanine dye containing a NHS ester. This NIR dye amine can be used to derivate various targets by the reaction with electrophilic groups, and by enzymatical reactions involving transamination. The NHS esters can react specifically and efficiently with primary amines such as the side chain of lysine residue or aminosilane-coated surfaces at neutral or slight basic conditions to form a covalent bond. Reagent grade, for research use only.
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