Try our new, extremly bright SeTau-660 SR dye with an ex/em of 663/694 nm and an FLT of 3.3 ns!

SeTau-660-NHS (K9-4159) is our latest addition to our squaraine rotaxane dyes, which is extremely bright (Φ∙ε = 120,000 M^-1cm^-1) compared to Alexa 660 (Φ∙ε = 48,800 M^-1cm^-1) or Alexa 680 (Φ∙ε = 68,800 M^-1cm^-1) and with one of the longest fluorescence lifetimes (3.3 ns) of NIR reporters!