RH421 from Biotium, Inc.

RH421 is a fast responding membrane potential dye, exhibiting >20% fluorescence change per 100 mV on neuroblastoma cells. 

• λ _Ex/λ _Em = 515/704 nm (MeOH)
• Red solid soluble in DMSO, EtOH or DMF
• Store at -20°C and protect from light, especially in solution
• C₂₉H₄₂N₂O₃S
• MW: 498.72
• [107610-19-5]