Kd: 450 nM &lamba; Ex/&lamba; Em (low or high [Ca2 ]) = 506nm/526nm ε (506 nm) = 86,000 M-1cm-1 Orange red solid soluble in DMSO and water (pH >6) Store at 4°C. Protect from light, especially when in solution C36H25Cl2N5N2O13 MW: 879 [134907-84-9] Kd: 450 nM d &lamba; Ex/&lamba; Em (low or high [Ca2 ]) = 506nm/526nm Ex/&lamba; Em (low or high [Ca2 ]) = 506nm/526nmEm2 ε (506 nm) = 86,000 M-1cm-1 -1-1 Orange red solid soluble in DMSO and water (pH >6) Store at 4°C. Protect from light, especially when in solution C36H25Cl2N5N2O13 362525213 MW: 879 [134907-84-9]