cy-2 (iodine)

Cy2 is a cyanine dye used for labeling amino groups in oligonucleotides, peptides, and proteins (λ excitation: 488 nm; λ emission: 520 nm).

CY2-SE (Cyanine2 Succinimidyl Ester) is a dye for the labeling of amino-groups in oligonucleotides, peptides, and proteins (Excitation:492 nm, Emission: 510 nm).