Eclipse® is a dark quencher often used in dual-labelled probes. As dark quenchers, Eclipse® absorbs energy without emitting fluorescence. It is in fact a non-fluorescent chromophore.

 Quencher eclipse

Metabion offers Eclipse® in its DNA and RNA dual-labelled probes portfolio. Click here

Eclipse® as 5' modification
MW as 5' 537.9 g/mol
Absorption range 390-625 nm
Absorption maximum 522 nm
Extinction coefficient (260nm) 6.6 mM-1cm-1
Eclipse® as 3' modification
MW 537.9 g/mol
Absorption range 380-550 nm
Absorption maximum 453 nm
Extinction coefficient (260nm) 6.6 mM-1cm-1

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