Cy3

Cy3 is a cyanine whose name was introduced in 1989. Cyanine 3 (Cy3) is a fluorescent dye that belongs to the Cyanine family of synthetic polymethine dyes and it represents an excellent alternative to NED.

Fluorescent cy3

Metabion offers the Cy3 modification in its DNA and RNA portfolio. Click here

Cy3 as a 5' modification
MW 508 g/mol
Excitation maximum 546 nm
Emission maximum 563 nm
Extinction coefficient (260nm) 4.9 mM-1cm-1
Cy3 as a 3' modification
MW 587 g/mol
Excitation maximum 546 nm
Emission maximum 563 nm
Extinction coefficient (260nm) 4.9 mM-1cm-1
Cy3 as an internal Cy3-dT
MW 1240 g/mol
Excitation maximum 546 nm
Emission maximum 563 nm
Extinction coefficient (260nm) 14.2 mM-1cm-1

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