Biotin-PEG4-Sulfo NHS Ester

• Product Name: Biotin-PEG4-Sulfo NHS Ester
• Catalog Number: AG-2971
• CAS#: -
• Molecular Formula: C25H39N4NaO13S2
• Molecular Weight: 690.71
• 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.