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Abnova™ Fluorescent Dye 550-Z Acid

Zwitterionic, fluorescent dye derived from trimethine cyanine

Manufacturer:  Abnova™ U0120

Catalog No. 89-139-406

This item has been discontinued and is no longer available. Please call customer service for assistance: 1-800-766-7000.



  • Chemical Name: 2-((1E,3E)-3-(1-(5-carboxypentyl)-3,3-dimethylindolin-2-ylidene)prop-1-enyl)-1-ethyl-3,3-dimethyl-3H-indolium-5-sulfonate
  • Chemical Formula: C31H38N2O5S
  • Mol. Weight: 550.71g/mol
  • Purity: ≥95%
  • Molar Extinction Co-efficient: 1,50,000 M-1cm-1 (CH3OH)
  • Excitation (Max): 550nm (CH3OH)
  • Emission (Max): 566nm (CH3OH)
  • Recommended Excitation: 532nm green diode, 543nm green HeNe and 532nm Nd:YAG
  • Recommended Filter Sets: TRITC
  • Solubility: Soluble in Acetonitrile, Dichloromethane, DMF, DMSO and Methanol; Slightly soluble in water

Application: Conjugation

Recommended Storage: Store in the dark at -20°C.



Fluorescent dye derived from trimethine cyanine. Zwitterion, slightly soluble in water and forms stable amide bond with primary amines via carbodiimide activation.
Fluorescent Dye 550-Z Acid
5 mg
550nm (CH3OH)
532nm green diode, 543nm green HeNe and 532nm Nd:YAG
Derived from trimethine cyanine
Fluorescent Dye 550-Z Acid
Store in the dark at -20°C.
566nm (CH3OH)
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For research use only (RUO).