Biotin-PEG2-NHS Ester

• Product Name: Biotin-PEG2-NHS Ester
• Catalog Number: AG-2752
• CAS#: 1889295-32-2
• Molecular Formula: C21H32N4O8S
• Molecular Weight: 500.57
• 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.