Formulation: A solid
Formal Name: 2,2'-((2-(2-(2-(bis(carboxylatomethyl)amino)-5-(2,7-difluoro-6-oxido-3-oxo-3H-xanthen-9-yl)phenoxy)ethoxy)-4-methylphenyl)azanediyl)diacetate, pentapotassium salt
Purity: ≥90%
Formula Markup: C36H25F2N2O13 • 5K
Formula Weight: 927,1
Shelf life (days): 1460
Notes: Fluo-4 is a cell-impermeable fluorescent calcium indicator. It binds to calcium (Kd = 355 nM) and displays excitation/emission maxima of 490/515 nm, respectively.