N-(Biotin-PEG4)-N-bis(PEG4-t-butyl ester) CAS# 2112730-79-5 formule: C50H94N4O18S purity: ≥95%. 3000+ high purity PEG Linkers in stock. Support custom synthesis.Fast Shipping.
Polyethylene Glycol PEG Linkers > Branched PEG > Branched Biotin PEG
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