2-AB Labeling Reagent 2 x 5 mg Dimethyl sulfoxide (DMSO) 2 x 350 µl Acetic acid, glacial 2 x 200 µl Reductant (sodium cyanoborohydride) 2 x 6 mg Application While 2-AB is slightly less sensitive than 2-AA, it is suitable for downstream glycan analysis by HPAE, HPLC and ESI-MS. Although suitable for...