Independent laboratory analysis of a peptide product by an entity not affiliated with the manufacturer or seller. Considered more trustworthy than in-house testing. Reputable peptide suppliers provide third-party COAs.
"Third-Party Testing" is filed under Quality in the PeptideAtlas glossary, alongside 12 other terms in that group.
A document from a laboratory (ideally third-party) that certifies the identity, purity, potency, and quality of a substance. Essential for verifying research peptide quality.
An analytical technique used to separate, identify, and quantify components in a mixture. Used in COAs to determine peptide purity percentage.
An analytical technique that measures the mass-to-charge ratio of molecules. Used in COAs to confirm peptide identity and molecular weight.
More Quality terms: Certificate of Analysis (COA), HPLC (High-Performance Liquid Chromatography), Mass Spectrometry (MS), Endotoxin, Purity, cGMP (Current Good Manufacturing Practice), CAS Number, INCI Name, Amino Acid Analysis (AAA), LAL Test (Limulus Amebocyte Lysate), Sterility Testing, Degradation Product.