Formulation: A solid
Formal Name: 2,2'-((2-(2-((6-(bis(carboxylatomethyl)amino)-2-(5-carboxylatooxazol-2-yl)benzofuran-5-yl)oxy)ethoxy)-4-(2-carboxylatoethyl)phenyl)azanediyl)diacetate, pentapotassium salt
Purity: ≥90%
Formula Markup: C31H23K6N3O16 • 5K
Formula Weight: 1123,6
Shelf life (days): 1460
Notes: Fura-2 leakage resistant is a cell-impermeable, ratiometric fluorescent calcium indicator. It binds to calcium (Kd = 145 nm) and displays excitation maxima of 340 and 380 nm when calcium-bound or calcium-free, respectively, when the emission is fixed at 505 nm. Fura-2 leakage resistant can be used in lipid membrane-free systems or liposomes or can be introduced into cells by electroporation, microinjection, or other methods. Fura-2 leakage resistant is also available in a cell-permeable form (Item No. 34993).