COA guides for research peptides
How to read a certificate of analysis, verify a lot code and understand what third-party testing actually measures — written for laboratories evaluating reference material.
Back to the resource hubBPC-157 COA
Every field on a BPC-157 certificate of analysis, and how to match it to the vial in front of you.
Read guideCOA GuideTirzepatide COA
Purity, mass confirmation and net peptide content on a dual-agonist certificate of analysis.
Read guideCOA GuideSemaglutide COA
Acylated GLP-1 analogue documentation: purity, mass confirmation and what to verify per lot.
Read guideReferenceHow to read a peptide COA
The four questions every certificate answers, and the fields that prove each one.
Read guideReferenceThird-party peptide testing
Which assays an independent laboratory actually runs, and how to verify the result belongs to your lot.
Read guideResearch use only
These guides are documentation references for laboratory professionals. Nothing on this site describes human use, and no compound in the catalog is sold for personal, therapeutic or veterinary application.