Resources
Verification & education
We make no purity or identity claims and publish no certificates. These articles explain the common testing methods so you can decide what to verify yourself.
Research Use Only. Not for human or animal consumption, injection, diagnostic, therapeutic, cosmetic, food, supplement, or compounding use.
- ArticleWhy COAs Alone Don't Prove Much in the Grey-Market Peptide World
What a Certificate of Analysis does and does not establish, and why testing the material you received carries more weight.
- ArticleUnderstanding Net Peptide Content vs. Purity Claims
HPLC purity and net peptide content answer different questions. What each measures, and what that means for your own testing.
- ArticleMass Spectrometry in Research Material Verification
ESI, MALDI, common analyzers and MS/MS — what mass spectrometry can confirm, and what it cannot.
Looking for practical steps? Read the independent material verification guide.