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ATTO 488 NHS ester
ATTO 488 NHS ester is an amine‑reactive, green fluorescent dye with an excitation/emission of 499/520 nm that is used for FACS and FISH applications.
  • Fast Amine Coupling: Generates stable amide bonds with primary amines on peptides, amine‑modified oligonucleotides, and surface aminosilanes
  • High Quantum Yield & Photostability: Provides intense, persistent fluorescence
  • Moderate Hydrophilicity: Maintains solubility without excessive hydrophobic interactions
The chemical structure of ATTO 488 NHS ester.
The chemical structure of ATTO 488 NHS ester.
CatalogSize
Price
Quantity
28151 mg
Price
 
Physical properties

Molecular weight787.86
SolventDMSO
Spectral properties

Correction factor (260 nm)0.22
Correction factor (280 nm)0.09
Extinction coefficient (cm -1 M -1)
90000
Excitation (nm)499
Emission (nm)520
Quantum yield
0.80
Storage, safety and handling

Certificate of OriginDownload PDF
H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12352200
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Page updated on October 2, 2025