Carboxy-PEG4-sulfonic acid CAS# 1817735-25-3 formule: C11H22O9S purity: ≥95%. 3000+ high purity PEG Linkers in stock. Support custom synthesis.Fast Shipping.
Polyethylene Glycol PEG Linkers > Acid PEG > Carboxy-PEG-sulfonic acid
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