Bis-propargyl-PEG4 CAS# 126422-58-0 formule: C12H18O4 purity: ≥95%. 3000+ high purity PEG Linkers in stock. Support custom synthesis.Fast Shipping.
Polyethylene Glycol PEG Linkers > Propargyl PEG > Bis-Propargyl-PEG
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