Blog · June 28, 2026
Peptide quality standards in Europe
Author: PrimePeptides Research Team.
In Europe, research customers increasingly value documented quality. HPLC purity, mass spectrometry and certificates of analysis (COA) are the key evidence.
HPLC purity as standard
An HPLC chromatogram shows the purity of a peptide sample. Values above 95% are considered research-grade, above 98% as high purity. The method (e.g. UV 214 nm) should be stated in the COA.
