Di-NHS Ester-PEG4

• Product Name: Di-NHS Ester-PEG4
• Catalog Number: AG-2624
• CAS#: 1314378-11-4
• Molecular Formula: C20H28N2O12
• Molecular Weight: 488.45
• 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.