7-Hydroxy-4-methylcoumarin-3-acetic acid, SE is a blue fluorophore that has pH-dependent and environment-sensitive fluorescence. It is widely used for preparing bioconjugates of blue fluorescence.
-20°C desiccated and protected from light
Gabor G, et al. (1995). Sensitivity enhancement of fluorescent pH indicators using pH-dependent energy transfer. Anal Chim Acta 313, 131; Exley D and Ekeke GI (1981). Fluoroimmunoassay of 5a-dihydrotestosterone. J Steroid Biochem 14, 1297-1302.