Formal Name: N-[2-[2-[2-[bis(carboxymethyl)amino]-5-(2,7-difluoro-6-hydroxy-3-oxo-3H-xanthen-9-yl)phenoxy]ethoxy]-4-methylphenyl]-N-(carboxymethyl)-glycine, pentapotassium salt
Purity: ≥90%
Formula Markup: C36H25F2N2O13 / 5K
Formula Weight: 927.077686
CAS Number: 1199351-32-0
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.