λEx/λEm = 490/514 nm (end product) ε = 90,000 (end product) Off-white solid soluble in water Store at -20°C and protect from light, especially in solution C20H26N4O11P2 MW: 560.39 [217305-49-2] λEx/λEm = 490/514 nm (end product) ExEm ε = 90,000 (end product) Off-white solid soluble in water Store at -20°C and protect from light, especially in solution C20H26N4O11P2 20264112 MW: 560.39 [217305-49-2]