Quality and testing
Purity, HPLC, mass spectrometry, certificates of analysis and third-party testing of research peptides.
Quality and testingAre Peptides Legal? US Law for Research Buyers
Are peptides legal in the US? What research use only means, why these are not FDA-approved drugs, which are controlled substances, and how imports work.
· 13 min read
Quality and testingHow to Read a Peptide Certificate of Analysis
How to read a peptide certificate of analysis (CoA): match the batch, then check each test for HPLC purity, mass spec identity, peptide content and endotoxin.
· 12 min read
Quality and testingJanoshik Peptide Testing: What a Report Shows
What a Janoshik peptide test report shows, which fields come from the lab and which from the client, and how to verify a report with its task number and key.
· 13 min read
Quality and testingPeptide Purity: How HPLC Measures It
What peptide purity means, how HPLC and mass spectrometry testing measure it, which impurities it misses, and how to read the figure on a research peptide COA.
· 12 min read
Quality and testingResearch Peptides: What 'Research Use Only' Means
What research peptides are, what "research use only" means under US law, how a reagent differs from a finished drug, and what a responsible supplier states.
· 11 min read