Knowledge of cytosolic pH (pHi) is essential in many cellular studies. The most popular indicator for studying pHi is BCECF. We offer BCECF in the form of cell-impermeable free acid and the cell-permeable acetoxymethyl esters.
500 nm/440 nm hi/lo pH
821, 689, 556 g/mol (The weighted average of the molecular weight is specified for each lot.)