Azidoacetic acid NHS ester CAS# 824426-32-6 formule: C6H6N4O4 purity: ≥95%. 3000+ high purity PEG Linkers in stock. Support custom synthesis.Fast Shipping.
Polyethylene Glycol PEG Linkers > Azide PEG > Azido-PEG-NHS ester
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