Atto Rho13 (Figure 1) can be used as an alternative of Alexa Fluor®594 or Alexa Fluor®610.
Figure 1. Structure of 5'-Atto Rho13 (R = sequence).
metabion offers the Atto Rho13 modification in its DNA and RNA portfolio (as a 5'-, 3'- or internal Atto Rho13-dT modification):