Cyanine 5.5 dye, free acid form, unactivated. The dye can be considered non-reactive for most applications. It can be used as a control or reference sample, and for instrument calibration. Pre-activated NHS ester for the labeling of amine groups is also available.
Absorption Maxima
684 nm
Extinction Coefficient
198000 M-1cm-1
Emission Maxima
710 nm
Fluorescence Quantum Yield
0.2
CAS Number
1449661-34-0, 1449612-07-0
CF260
0.07
CF280
0.03
Purity
95% (by 1H NMR and HPLC-MS).
Molecular Formula
C40H43ClN2O2
Molecular Weight
619.23 kDa
Product Form
Dark blue powder.
Solubility
Soluble in organic solvents (DMSO, DMF, dichloromethane). Practically insoluble in water (< 1 uM, < 1 mg/L).
Storage
Shipped at room temperature. Upon delivery, store in the dark at -20°C. Avoid prolonged exposure to light. Desiccate.
Disclaimer
This product is for research use only. It is not intended for diagnostic or therapeutic use.