Designed for high sensitivity applications, including single molecule detection. These labels have rigid structures that do not show any cis-trans-isomerisation and display exceptional intensity with minimal spectral shift on conjugation.

• Assay: ≥95% (HPCE)
• Fluorescence: λex 644 nm; λem 660 nm in 0,1 M phosphate pH 7,0
• Suitable for fluorescence