Catalog Number: 5905
Alternate Names: NS521
Chemical Name: 7-(Diethylamino)-4-(4-methoxyphenyl)-2-oxo-2H-1-benzopyran-3-carboxaldehyde
Biological Activity
Selective noradrenalin and dopamine fluorescent indicator. Exhibits selectivity over adrenalin, glycine and glutamate. Enables visualization of noradrenalin and dopamine in fixed and live cells. Excitation wavelength 488 nm, emission 521 nm.
Technical Data
  • M.Wt:
    351.4
  • Formula:
    C21H21NO4
  • Solubility:
    Soluble to 50 mM in DMSO
  • Purity:
    >98%
  • Storage:
    Store at -80°C
  • CAS No:
    1428730-05-5
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis. All Tocris products are intended for laboratory research use only.
Background References
  1. Selective catecholamine recognition with NeuroSensor 521: a fluorescent sensor for the visualization of norepinephrine in fixed and live cells.
    Hettie et al.
    ACS Chem.Neurosci., 2013;4:918
  2. A two-input fluorescent logic gate for glutamate and zinc.
    Yin et al.
    ACS.Chem.Neurosci., 2017;
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