Biotin-12 SE is an amine-reactive biotin derivative with a long spacer group. It is useful for making biotin labeled nucleoside triphosphates among other applications. <ul> <li>White solid soluble in DMSO or DMF</li> <li>Store at -20°C</li> <li>C₂₄H₃₇N₅O₇S</li> <li>MW: 539.64</li> </ul>