Description
A cell-permeable fluorescent calcium indicator; cleaved by intracellular esterases to release Fluo-4, which binds to calcium (Kd = 345 nM); ex/em = 490/520 nm, respectively; has been used to measure intracellular calcium levels in live cells by fluorescent microscopy or flow cytometry
Formal name: N-[4-[6-[(acetyloxy)methoxy]-2,7-difluoro-3-oxo-3H-xanthen-9-yl]-2-[2-[2-[bis[2-[(acetyloxy)methoxy]-2-oxoethyl]amino]-5-methylphenoxy]ethoxy]phenyl]-N-[2-[(acetyloxy)methoxy]-2-oxoethyl]-glycine (acetyloxy)methyl ester
Synonyms: Fluo-4 acetoxymethyl ester
Molecular weight: 1,096.90
CAS: 273221-67-3
Purity: ≥95%
Formulation: A solid