ADVASEP-7 is a sulfonated β-cyclodextrin derivative that has been reported to reduce background fluorescence when using SynaptoGreen C4 to stain brain slices.    Average MW: 2163  C42H70-nO35(C4H8SO3Na)n€¢hydrate where n = Average Degree of Substitution 6.5  White solid soluble in water  Store at 4°C