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BHQ®-2 (Figure 1) stands for Black Hole Quencher 2 and it consists of a dark quencher, often used in dual-labelled probes. As dark quenchers, Black Hole Quenchers absorb energy without emitting fluorescence. They are in fact non-fluorescent chromophores.

Figure 1. Structure of 5'-BHQ®-2 (R = sequence).

metabion offers BHQ®-2 in its DNA and RNA dual-labelled probes portfolio:

For more information, please visit our Portfolio. To place an order, click here.