COA Library
Certificates of Analysis documenting HPLC purity and ESI-MS identity. COAs are lot-specific, so the documents below are representative. The COA for your own lot ships with your order — if you need another copy, email us with your order number.
What's Included in Every COA
% area purity from reverse-phase HPLC with UV detection. Chromatogram included.
Observed vs. theoretical molecular weight confirmed by electrospray ionization MS.
Lot number, synthesis date, product name, SKU, and storage recommendations.