1-Amino-3,6,9,12,15,18-hexaoxahenicosan-21-oic acid(NH2-PEG6-CH2CH2COOH), 98%

*This document is like a lab demo—an example Certificate of Analysis (COA) that showcases what a COA looks like but may not match the latest batch in all its glory. Think of it as a chemistry experiment: close, but not quite the final reaction!