&lamba; Abs: 474 nm Orange solid soluble in DMSO at 20 mM Store desiccated at -20°C and protect from light C17H17N5O6S2 MW: 451 &lamba; Abs: 474 nm Abs Orange solid soluble in DMSO at 20 mM Store desiccated at -20°C and protect from light C17H17N5O6S2 1717562 MW: 451