Fluorescein

Fluorescein is a fluorescent dye consisting of two isomers, one of them being 6-Fam (6-carboxyfluorescein).

Fluorescent fluorescein

Metabion offers the Fluorescein as a modification in its DNA and RNA portfolio. Click here

Fluorescein as a 5' modification
MW 538 g/mol
Excitation maximum 495 nm
Emission maximum 520 nm
Extinction coefficient (260nm) 13.7 mM-1cm-1
Fluorescein as a 3' modification
MW 598 g/mol
Excitation maximum 495 nm
Emission maximum 520 nm
Extinction coefficient (260nm) 13.7 mM-1cm-1
Fluorescein as an internal modification
MW 852 g/mol
Excitation maximum 495 nm
Emission maximum 520 nm
Extinction coefficient (260nm) 30.2 mM-1cm-1

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