Kd: 0.61 uM &lamba; Ex/&lamba; Em 590/616 nm for zero calcium and 595/626 nm for high calcium Purple solid soluble in DMSO and water (pH >6) Store at 4°C and protect from light, especially in solution MW: 1029 Kd: 0.61 uM d &lamba; Ex/&lamba; Em 590/616 nm for zero calcium and 595/626 nm for high calcium ExEm Purple solid soluble in DMSO and water (pH >6) Store at 4°C and protect from light, especially in solution MW: 1029