or
NHS-ASA (N-Hydroxysuccinimidyl-4-azidosalicylic acid) 50mg^ NHS-ASA (N-Hydroxysuccinimidyl-4-azidosalicylic acid), CAS-No.: 96602-46-9, Molecular Weight: 276.21, Spacer Arm: 8.0A, Reactive Toward: Primary Amines, Membrane Permeable, InSoluble in water, Irreversible, Solid, Size: 50mg
