Azido-PEG4-CH2COOH NHS Ester

• Product Name: Azido-PEG4-CH2COOH NHS Ester
• Catalog Number: AG-1614
• CAS#: 1807534-82-2
• Molecular Formula: C14H22N4O8
• Molecular Weight: 374.35
• 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.