MB 594 NHS Ester is a fluroescent agent with a terminal NHS ester group. It is a very hydrophilic, water-soluble, red fluorescent dye that has a maximal absorption of 605 nm and emission at 635 nm. The compound is also pH insensitive from pH 3 to pH 10. The NHS ester can be applied to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.
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