Biotin-PEG4-NHS Ester

• Product Name: Biotin-PEG4-NHS Ester
• Catalog Number: AG-2754
• CAS#: 459426-22-3
• Molecular Formula: C25H40N4O10S
• Molecular Weight: 588.67
• 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.