NHS-PEG-CHO (MW 1000)

NHS-PEG-CHO (MW 1000) (NHS-PEG-Aldehyde (MW 1000) ) is a PEG derivative composed of an aldehyde group (-CHO), PEG units, and an NHS ester. The NHS ester can couple with amino acids or other amine-containing molecules, while the reactive aldehyde group can interact with compounds possessing amino or hydroxyl groups.