2-((4-Azido-2,3,5,6-tetrafluorobenzoyl)amino)ethyl methanethiosulfonate is a cross-linker containing a thiol-reactive MTS group and a photoaffinity label 4-azido-2,3,5,6-tetrafluorobenzene (ATFB). ATFB is known to be a superior photoaffinity label that undergoes highly efficient C-H bond insertion on UV photolysis. <ul> <li>White solid soluble in DMF or DMSO</li> <li>Store at -20°C and protect from light</li> <li>C₁₀H₈F₄N₄O₃S₂</li> <li>MW: 372.32</li> </ul>