Propargyl-PEG3-CH2COOH NHS Ester

• Product Name: Propargyl-PEG3-CH2COOH NHS Ester
• Catalog Number: AG-1842
• CAS#: 2741744-08-9
• Molecular Formula: C13H17NO7
• Molecular Weight: 299.28
• 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.