2222 Detect HRP in immunoassays Detect trace amounts of hydrogen peroxide (H2O2) Detect using fluorometer or microplate reader λEx/λEm (pH 9) = 571/585 nm (end product) ε= 54,000 (end product) White to off-white solid soluble in DMSO or DMF Store desiccated at -20°C and protect from light C14H11CNO4 MW: 257.24 [119171-73-2] Detect HRP in immunoassays Detect trace amounts of hydrogen peroxide (H2O2) 22 Detect using fluorometer or microplate reader λEx/λEm (pH 9) = 571/585 nm (end product) ExEm ε= 54,000 (end product) White to off-white solid soluble in DMSO or DMF Store desiccated at -20°C and protect from light C14H11CNO4 14114 MW: 257.24 [119171-73-2]