Amino reactive biotin reagent for preparing biotinylated surfaces or polypeptides. Appearance:White to off-white powderPurity (HPLC):≥98%Melting Point:203-205°CSolubility:DMF (Slightly), DMSO (Slightly)Identity (1H NMR):Conforms to structureStorage and Stability:May be stored at RT for short-term only. Long-term storage is recommended at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.