General Description
A radioiodinatable, photoactive, heterobifunctional cross-linking reagent. Typically, initial reaction couples via ester to primary amine by amide bond formation in the pH range 6.5-8.5. Second bonding occurs during UV irradiation (250 nm) via reactive nitrene. The latter bonding is rapid and non-specific.
Name: N-Hydroxysuccinimidyl-4-azidosalicylic acid
Synonyms: NHS-ASA
CAS Number: 96602-46-9
Molecular Weight: 276.2
Color & Form: Orange and yellow crystalline powder