Biotin-PEG28-NHS Ester

• Product Name: Biotin-PEG28-NHS Ester
• Catalog Number: AG-2763
• CAS#: -
• Molecular Formula: C73H136N4O34S
• Molecular Weight: 1645.95
• 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.