Propargyl-PEG21-NHS Ester

• Product Name: Propargyl-PEG21-NHS Ester
• Catalog Number: AG-1514
• CAS#: -
• Molecular Formula: C50H91NO25
• Molecular Weight: 1106.26
• Purity: > 90%*

Our NHS Ester maintains over 95% purity initially but may experience slight degradation over time due to its instability. However, we assure a minimum purity of over 90% upon shipping.