2222 Kd: ~335 nM &lamba; Ex/&lamba; Em (low or high [Ca2 ]) = 494nm/516nm ε (494 nm) = 82,000 M-1cm-1 Orange solid soluble in DMSO and water (pH >6) Store at 4°C. Protect from light, especially when in solution C36H25F2K5N2O13 MW: 927.09 Kd: ~335 nM d &lamba; Ex/&lamba; Em (low or high [Ca2 ]) = 494nm/516nm Ex/&lamba; Em (low or high [Ca2 ]) = 494nm/516nm2 ε (494 nm) = 82,000 M-1cm-1 -1-1 Orange solid soluble in DMSO and water (pH >6) Store at 4°C. Protect from light, especially when in solution C36H25F2K5N2O13 3625FF25213 MW: 927.09