CAS Registry Number

CAS 85138-49-4 — 2',7'-Bis(2-carboxyethyl)-5(6)- carboxyfluorescein (BCECF)

2',7'-Bis(2-carboxyethyl)-5(6)-carboxyfluorescein (BCECF) is a fluorescent dye widely used in biological research for measuring intracellular pH and calcium levels due to its pH-sensitive emission properties. It is commonly employed in live-cell imaging, flow cytometry, and fluorescence microscopy applications. CAS number 85138-49-4, molecular formula C27H20O11, molecular weight 520.44 g/mol. Store at -15 to -20°C for long-term stability. No signal word required. Molekula supplies BCECF from research to bulk quantities with full documentation and ISO 9001:2015 traceability.