MEX dye (Figure 1) is a high-performance fluorescent dye designed to closely match the spectral properties of HEX: MEX and HEX have the same absorption (MEX Abs max: 536 nm) and emission (MEX Em max: 551 nm) properties.
MEX dye offers several compelling benefits over HEX, such as an exceptional performance and stability, making it the preferred choice for a wide range of applications, including Real-time PCR and several other fluorescence-based experiments.

Figure 1. Structure of 5’-MEX Phosphoramidite, 6-isomer
metabion offers MEX as a 5'- or internal modification in its portfolio: